Woolly oak aphids in Florida
From Entomology Circulars.
Woolly oak aphids are conspicuous pests on oak (Quercus spp.), because they are covered with large amounts of flocculent wax. Two genera of woolly oak aphids occur in Florida, each including one known native Florida species. …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
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
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
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
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
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
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
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