Two Eucalyptus psyllids new to Florida
From Entomology Circulars.
Two psyllids that feed on Eucalyptus were found for the first time in Florida in the spring of 2001 in tourist parks in the Orlando area: Glycaspis brimblecombei Moore, the red gum lerp psyllid, and Blastopsylla occidentalis Taylor, the eucalyptus psyllid. …read more
The Coriander Aphid, Hyadaphis coriandri (Das)
From Entomology Circulars.
The coriander aphid, Hyadaphis coriandri (Das), was found for the first time in North America on fennel (Foeniculum vulgare Mill.) at Orange County residences in Apopka and Orlando. In December 1998, an infestation also was found on coriander (Coriandrum sativum L.) …read more
An Asian Woolly Hackberry Aphid, Shivaphis celti Das
From Entomology Circulars.
An Asian woolly hackberry aphid, Shivaphis celti Das (Fig. 1), was found for the first time in Florida in Jacksonville, Duval County, on sugarberry (Celtis laevigataWilld.) on 13 August 1997 by Florida Department of Agriculture & Consumer Services’ Division of Plant Industry Plant Inspector Flewellyn W. …read more
Fig Wax Scale, Ceroplastes rusci (L.), in Florida
From Entomology Circulars.
The fig wax scale, Ceroplastes rusci (L.), was first discovered in Florida at several nursery and stock dealers in 1994 and 1995. It has been a pest of Ixora spp. and infrequently found on other host plants. …read more
Eugenia psyllid, Trioza eugeniae Froggatt
From Entomology Circulars.
The eugenia psyllid, Trioza eugeniae Froggatt, is a native of Australia where it is called “pimple psyllid.” In Australia, T. eugeniae is not a problem and attracts little or no attention (Richard Tesson, personal communication). …read more
Citrus Blackfly, Aleurocanthus woglumi Ashby
From Entomology Circulars.
Citrus blackfly, Aleurocanthus woglumi Ashby, a serious citrus pest of Asian origin (Dietz and Zetek 1920), was discovered in the western hemisphere, in 1913 in Jamaica. It spread to Cuba in 1916, Mexico in 1935 (Smith et al. …read more
Five Gall Aphids, Pemphigus spp., on Poplar (Populus spp.) in Florida
From Entomology Circulars.
All Pemphigus spp. form galls on Populus spp. The galls are unsightly, but do little damage to the tree. Several Populus spp. have been introduced into Florida. In the 1960’s, the forest industry in Florida was interested in developing cottonwoods for pulpwood production and manufacturing of crates. …read more
Catalog Of Aleyrodidae On Citrus And Their Natural Enemies
From Occasional Papers.
The following introduction was written by Dr. Reece I. Sailer shortly before his untimely death on September 8, 1986. Since that time we have updated the information through 1987, which substantially increases the amount of current information available. We …read more
The cottonycushion scale, lcerya purchasi, in Florida
From Entomology Circulars.
The cottonycushion scale was described by Maskell (1878) from specimens sent to him by Dr. Purchas from Auckland, New Zealand. The host was kangaroo acacia and the insect was named for Dr. Purchas. …read more
The bandedwinged whitefly, Trialeurodes abutilonea, in Florida
From Entomology Circulars.
The bandedwinged whitefly was described as Aleurodes abutilonea Haldeman, 1850 from Sida (Abutilon) abutilon collected in Pennsylvania. The known synonyms were given by Russell (1948) and Mound and Halsey (1978). Records of this whitefly in Florida date back to Quaintance (1899), who described the synonym Aleurodes rolfsii from specimens sent to Prof. …read more
Ash whitefly, Siphoninus phillyreae (Haliday)
From Entomology Circulars.
Ash whitefly, Siphoninus phillyreae, was described as Aleyrodes phillyreae by Haliday (1835), on Phillyrea latifolia collected in Dublin, Ireland. It has several synonyms listed in Mound and Halsey (1978). In the United States, S. …read more
A Jumping Plant Louse, Katacephala tenuipennis
From Entomology Circulars.
The psyllid, Katacephala tenuipennis Tuthill, is a seldom reported but locally common pest of Eugenia spp. in southern Florida and in Cuba. It causes the developing tip leaves on shoots to curl and become depauperate (fig. …read more
A Field Key To The Citrus Aphids In Florida
From Entomology Circulars.
There are 5 aphids that feed and reproduce on citrus in Florida. Three of these 5 species, Aphis spiraecola Patch, Aphis gossypii Glover, and Toxoptera aurantii (Fonsc.) are considered pests. A. spiraecola and A. …read more
The bayberry whitefly, Parabemisia myricae, in Florida
From Entomology Circulars.
The whitefly, Bemisia myricae, was described by Kuwana (1927) from Japan on the hosts Myrica rubra, Morus alba, and Citrus. Takahashi (1952) transferred this whitefly to the genus Parabemisia because of long marginal setae on the so-called “pupal” case and blunt lateral tubercles at the base of the lingula (Fig. …read more
Dialeurodes kirkaldyi (Kotinsky), in Florida
From Entomology Circulars.
Dialeurodes kirkaldyi (Kolinsky), a minor pest of citrus, was described from Hawaii by Kolinsky and first found in North America at the U.S. Naval Base, Key West, Florida in 1972, on Morinda citrifolia L. …read more
Metaleurodicus cardini in Florida
From Entomology Circulars.
Cardin’s whitefly, Metaleurodicus cardini (Back), has been known in Florida since 1917. It was originally described from Cuba and was named for Prof. Patricio Cardin. This whitefly is usually innocuous, but under some situations can become a damaging pest. …read more
Lepidosaphes laterochitinosa Green
From Entomology Circulars.
Lepidosaphes laterochitinosa, an armored scale insect, was intercepted twice in Florida during 1987 on Aglaonema spp. from the Philippine Islands. In both cases the insects were alive. This scale insect is not known to occur in Florida; therefore, steps were taken to insure that it did not become established. …read more
Sugarcane Aphids In Florida
From Entomology Circulars.
There are 2 species of aphids that infest sugarcane in Florida. The yellow sugarcane aphid, Sipha flava (Forbes) and the sugarcane aphid, Melanaphis sacchari (Zehntner). Forbes described Chaitophorus flavus (1884) from sorghum at Champaign, Illinois. …read more
Casuarina Spittlebug, Clastoptera undulata Uhler
From Entomology Circulars.
Clastoptera is a New World genus: Metcalf (1962) listed 83 species, of which 32 were Neotropical, 27 Nearctic, 20 Caribbean, and 4 from 2 or more regions; more species since described. Clastoptera as crop pests: C. …read more
Bemisia tabaci, sweetpotato whitefly, in Florida
From Entomology Circulars.
Bemisia tabaci was first described as Aleurodes tabaci by Gennadius (1889) from Nicotiana sp., and was known from Florida as early as 1900 (Quaintance 1900). It is variously referred to in the literature as tobacco whitefly, cotton whitefly, or as the Entomological Society of America approved common name, sweetpotato whitefly. …read more
Grylloprociphilus imbricator Fitch
From Entomology Circulars.
The late Dr. S. W. Frost took adult aphids in a blacklight trap from 1958-1964 at Lake Placid (Archbold Biological Station), Highlands County, Florida. These specimens were described by Smith and Pepper (1968) as Grylloprociphilus Frosti. …read more
Micrutalis Treehoppers And Pseudo-curly Top In Florida
From Entomology Circulars.
The treehopper, Micrutalis malleirera Fowler, is the only known vector of pseudo-curly top virus, a minor disease of tomatoes in southern Florida. This circular condenses some of the literature on this vector and disease and presents new information on identification and distribution of Micrutalis spp. …read more
The Genus Philephedra Cockerell, in Florida
From Entomology Circulars.
The soft scale genus Philephedra was originally described as a subgenus of Pulvinaria by Cockerell (1898), with Pulvinaria ephedrae as the type species. Cockerell (1902) later elevated the subgenus to generic level. Nakahara and Gill (1985) transferred 5 species from Lichtensia to Philephedra, and described 2 new species of Philephedra from Florida. …read more
Oceanaspidiotus araucariae (Adachi and Fullaway)
From Entomology Circulars.
This armored scale insect has been introduced recently into Florida from Hawaii. The shipment of host plants consisted of 12,500 Araucaria heterophylla (Salish.) Franco (=A. excelsa), Norfolk Island pine, and apparently 5,000 of these plants have been distributed in commerce. …read more
Cloudy-Winged Whitefly, Dialeurodes citrifolii (Morgan)
From Entomology Circulars.
Cloudy-winged whitefly, Dialeurodes citrifolii, is one of the most common whiteflies associated with citrus in Florida. A native of Asia, it was described by Morgan in 1893 and later by Berger in 1909 from specimens collected in Florida. …read more
The Soft Scale Insects Of Florida
From Arthropods of Florida and Neighboring Land Areas.
This scholarly treatment of the soft scales of Florida by Hamon and Williams fulfills a need which has grown over a period of many years. It provides a reference useful both for field identification of some species of soft scales and for the accurate identification in the laboratory of all species known to occur or which are likely to be found in Florida. …read more
Sugarcane Delphacid, Perkinsiella Saccharicida Kirkaldy 1903
From Entomology Circulars.
The sugarcane delphacid, Perkinsiella saccharicida Kirkaldy, is a serious sugarcane pest of Australian origin. It posed a serious threat to the Hawaiian sugarcane industry during the early 1900s. The first North American record of this insect was reported on 4 August 1982, from Canal Point, Palm Beach County, Florida. …read more
The Jumping Plant Louse, Hemitrioza Sonchi Crawford
From Entomology Circulars.
A psyllid, Hemitrioza sonchi Crawford, is reported for the first time in Florida. This is the first record of this species south of Atlanta, Georgia. Its collection on a wild lettuce, Lactuca graminifolia Michx., …read more
A Cactus Mealybug, Hypogeococcus Festerianus (Lizer Y Trelles), In Florida
From Entomology Circulars.
This mealybug was collected recently in a Hollywood, Florida nursery. The plants have been destroyed, and no known infestation exists in Florida. Previously recorded only from Argentina, it is not known how or when it arrived in Florida. …read more
White peach scale, Pseudaulacaspis pentagona (Targ.-Tozz.)
From Entomology Circulars.
White peach scale also has been referred to as white scale and West Indian peach scale. It is one of the most economically important scale insects in the Southeastern United States. It is native to Italy and has a widespread distribution in southern Europe as well as the West Indies (Paddock 1978). …read more
Yaupon psyllid, Gyropsylla ilicis (Ashmead)
From Entomology Circulars.
The yaupon psyllid causes young leaves of yaupon holly, Ilex vomitoria Ait., to deform into galls (fig. 1). Nurserymen or buyers may object to these galls on yaupon. Thus, it is a minor pest, but little or no damage is done to the general vigor of trees. …read more
Rhizoecus arabicus Hambleton, a root mealybug in Florida
From Entomology Circulars.
A root mealybug, Rhizoecus arabicus Hambleton, was recently discovered (March 1982) in Florida for a new North American record. It was collected on the gesneriad Gasteranthus atratus (Hanst.) Wiehler by Mr. David Culbert, Agricultural Products Specialist, in Selby Botanical Gardens, Sarasota, Florida. …read more
Woolly whitefly, Aleurothrixus floccosus (Maskell)
From Entomology Circulars.
Woolly whitefly was described from Jamaica on lignumvitae (Maskell 1895). It was first reported in Florida under the synonym Aleyrodes howardi Quaintance on sea-grape in 1890 (Berger 1917). The first report on citrus was in 1909 (Berger 1917). …read more
Tabebuia leafhopper, Rabela tabebuiae (Dozier)
From Entomology Circulars.
The tabebuia leafhopper, Rabela tabebuiae (Dozier), is an antillean species that has become established in southern Florida. It is a leaf-feeding pest of trumpet trees, Tabebuia spp., African tulip tree, Spathodea campanulata Beauvois, and several other kinds of bignoniaceous plants popular as ornamentals. …read more
Plumose Scale, Morganella longispina (morgan)
From Entomology Circulars.
Plumose scale, Morganella longispina (Morgan) was intercepted several times in 1964 on citrus from Haiti by the Division of Plant Industry (Dekle, 1964). Last year this scale insect was collected by the USDA-APHIS on Dodge Island, the port area of Miami. …read more
Bamboo pit scale, Asterolecanium bambusae (Boisduval)
From Entomology Circulars.
Asterolecanium bambusae was originally described as Chermes bambusae by Boisduval (1869:260) on Bambusa arundinacea (Retz.) Willd. and B. distorta Nees from Algeria. This pit scale insect is one of the most common insects on bamboo in Florida and occurs wherever bamboo is grown. …read more
Opuntiaspis Philococcus (Cockerell)
From Entomology Circulars.
Opuntiaspis philococcus (Cockerell) was originally described as Mytilaspis philococcus by Cockerell (1893:252) on cactus from Mexico. The taxonomy of this genus is somewhat unstable, but it appears there are possibly 3 species; Opuntiaspis carinata (Cockerell) which occurs on Beaucarnea recurvata Lem. …read more
Giant Bark Aphid, Longistigma Caryae (Harris)
From Entomology Circulars.
This bark feeding aphid was first described by Harris (1841) as Aphis caryae from pignut hickory, Carya glabra (=porcina)(Mill.) Sweet, in Massachusetts. It is the largest aphid that occurs in the United States, and it was probably this species that was reported by Thomas (1879) from limbs of pignut hickory in Illinois. …read more
Latania Scale, Hemiberlesia Lataniae (Signoret)
From Entomology Circulars.
Hemiberlesia lataniae (Signoret) was originally described as Aspidiotus lataniae by Signoret (1869:124) from a fan palm in the genus Latania. This scale insect is one of the most common pests from tropical to temperate regions of the world. …read more
Scaphytopius In Florida
From Entomology Circulars.
The leafhopper genus Scaphytopius contains the majority of the 150 species described thus far in the tribe Scaphytopiini. With one exception, the Scaphytopiini are known from only the New World; the exception, Japananus hyalinus (Osborn), may owe its general distribution in the Orient, southern Canada, and the U.S. …read more
Angraecum Scale, Conchaspis Angraeci Cockerell
From Entomology Circulars.
Conchaspis angraeci Cockerell was described on Angraecum eburneum var. virens from Jamaica (Cockerell 1893). This is the only species of Conchaspis which occurs in North America. Apparently, no life history studies have been carried out on any species in the family Conchaspididae. …read more
The Grape Phylloxera, Daktulosphaira Vitifoliae (Fitch)
From Entomology Circulars.
Fitch (1855) first described the grape phylloxera from grape leaf galls in New York state. He considered it an aphid and called it the grape leaf louse, Pemphigus vitifoliae. Shimer (1866) described a new genus, Daktulosphaira for the species vitifoliae. …read more
Key To The Genera Of Cixiidae In Florida
From Entomology Circulars.
Planthoppers in the family Cixiidae traditionally have been of interest only to taxonomists and ecologists, but recent research shows that these planthoppers are potential vectors of plant pathogens. Notes and a key are presented here as aids for the identification of the Florida fauna. …read more
Opuntiaspis Carinata (Cockerell)
From Entomology Circulars.
Opuntiaspis carinata (Cockerell) was recently collected in Florida for a new continental U.S. record. Apparently the infested plants were shipped to Florida from Mexico via Texas 2 or 3 years ago. In past years, USDA inspectors have intercepted this armored scale insect several times from Guatemala and Mexico. …read more
The Brown Citrus Aphid, Toxoptera Citricida (Kirkaldy)
From Entomology Circulars.
Kirkaldy (1907) described this species as Myzus citricidus from Hawaii on citrus. Citricida means killer of citrus (Eastop and Lambers, 1976). Takahashi (1938) placed it in the genus Toxoptera based on the striations on the venter of the abdomen and the stridulating organs on the hind femor (Essig, 1949). …read more
Acacia Whitefly, Tetraleurodes Acaciae (Quaintance)
From Entomology Circulars.
Acacia whitefly was described by Quaintance (1900:19-20) as Aleurodes acaciae from pupal cases on Acacia sp. collected in Chilhua, Mexico. It is also known from California on Acacia and Bursera microphylla A. Gray. …read more
Oleander Pit Scale, Asterolecanium Pustulans (Cockerell)
From Entomology Circulars.
Oleander pit scale was described by Cockerell (1892) as Asterodiaspis pustulans and was later placed in the genus Asterolecanium by Russell (1941). Several species in the genus Asterolecanium induce the host to form pits around the scales. …read more
The Asiatic Citrus Psyllid, Diaphorina Citri Kuwayama
From Entomology Circulars.
The Asiatic or oriental citrus psyllid, Diaphorina citri Kuwayama, is widely distributed in southern Asia. It is an important pest of citrus in several countries, particularly India, where there has been a serious decline of citrus in recent years. …read more
Gall-like Scale Insects (Kermes spp.)
From Entomology Circulars.
Species of the genus Kermes infest only oaks (Quercus spp.) and have a worldwide distribution. Twenty-nine species occur in the U.S., and 3 of these are recorded from Florida. They are K. galliformis Riley, K. …read more
Black Parlatoria Scale, Parlatoria Ziziphi (Lucas)
From Entomology Circulars.
Black parlatoria scale or ebony scale, Parlatoria ziziphi (Lucas), is one of 5 species of Parlatoria known to attack citrus. Delucchi (1975) reported this scale as the only truly monophagous species attacking citrus. …read more
The South African Citrus Psyllid, Trioza Erytreae (Del Guercio)
From Entomology Circulars.
The psyllid, Trioza erytreae (Del Guercio), is an important pest of citrus in southern africa where heavy infestations can cause economic injury to new growth, particularly that of nursery stock, by producing pitting, curling, and stunting of leaves. …read more
Green Scale, Coccus Viridis
From Entomology Circulars.
Green scale, Coccus viridis (Green), an insect pest of citrus and other plants, is found out-of-doors and in greenhouses in Florida. This pest was first found in Florida near Davie, Broward county in May 1942, by State Plant Board grove inspectors, and is now well established in south Florida. …read more
Camellia Mining Scale, Duplaspidiotus Claviger (Cockerell)
From Entomology Circulars.
Camellia mining scale, Duplaspidiotus claviger (Cockerell) (fig. 1 ), an armored scale, was described from specimens infesting twigs of Camellia sp. Collected in the botanic gardens, Durban, Natal, South Africa in 1901. The first collection of this plant parasite in continental United States was from Camellia sasanqua Thunb. …read more
Orange Spiny Whitefly, Aleurocanthus Spiniyrus (Quaintance)
From Entomology Circulars.
The orange spiny whitefly, Aleurocanthus spiniferus (Quaintance), was recorded by Kuwana (1928) as the most destructive aleyrodid attacking citrus in tropical Asia. Experts consider it to be the most important of 4 or more species of whiteflies attacking citrus in Japan, and it was rated by Clausen (1927) as the seventh most important citrus insect in Japan. …read more
Key To Greenhouse Soft Scale Insects
From Entomology Circulars.
Scale insects are plant parasites. Whenever infestations become established on ornamental plants, plant quality is affected. Severe infestations found in commercial greenhouses may result in a quarantine of all infested plants. The key presented here is based on external characteristics of the soft scales and is for use with a hand lens. …read more
Two Common Aphids Of Shasta Daisies In Florida
From Entomology Circulars.
The cotton aphid, Aphis gossypii Glover, and the spirea aphid, Aphis spiraecola Patch, are commonly found on shasta daisy, Chrysanthemum maximum Ramond, in Florida (fig. 1). Aphids appear just before or about the time flower buds are forming (r1~. …read more
Tessellated Scale, Eucalymnatus Tessellatus (Signoret)
From Entomology Circulars.
Tessellated or palm scale is a soft scale that was first described in France by V. Signoret in 1873 from specimens collected on a palm he reported as Caryota ursus. The genus Eucalymnatus, according to Borchsenius, contains 17 species; 2 species are Ethiopian in origin and the remainder neotropical. …read more
Citrus Whitefly, Dialeurodes Citri (Ashmead)
From Entomology Circulars.
The citrus whitefly, Dialeurodes citri (Ashmead), was once the most important citrus pest in Florida, but today it ranks below the purple scale Florida red scale, rust mite, and possibly others. It is nevertheless a serious pest in florida. …read more
Tea Scale, Fiorinia Theae Green
From Entomology Circulars.
Since tea scale is almost always restricted to the lower surface of host leaves, it often goes unnoticed until much of the lower leaf surface is covered (fig. 1.b), and symptoms begin to appear on the upper surface (fig. …read more
Red Wax Scale (Ceroplastes Rubens Maskell)
From Entomology Circulars.
Red wax scale, Ceroplastes rubens Maskell (fig. 1) was first found in an Orange County nursery on the foliage and stem of greenhouse-grown Aglaonema pictum Var. Tricolor and A. Oblongifolium ‘Curtisii’ by the late A. …read more
Aleurodicus Dispersus Russell (Homoptera: Aleyrodidae), A Possible Vector Of The Lethal Yellowing Disease Of Coconut Palms
From Entomology Circulars.
A whitefly, Aleurodicus dispersus Russell, now distributed over much of the Florida keys, is the prime suspect vector of a deadly virus disease of coconut palms, lethal yellowing, which has caused the loss of more than ninety per cent of the native coconut palms of the Key West area within the last 15 years. …read more
False Oleander Scale Pseudaulacaspis Cockerelli (Cooley)
From Entomology Circulars.
False oleander scale, an armored scale, was first found in Florida at Meade Gardens, Winter Park, Orange County, by J. R. Springer on sweetbay (Magnolia virginiana L.) in 1942. This scale formerly was referred to as magnolia white scale (Phenacaspis natalensis Ckll.) …read more