. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. 104 ORDER IIEMIPTERA Some of the forms have juhilt liibernation and others egg hibernation. Family Cercopidse.—The CercopidcF is a family that has few economic s])ecies. • They differ from the Fulgoridse in having the head and thorax rather normal in shape, first pair of wings usually thickened opaque and ^Tnation not very conspicuous. The thorax is well developed, the tibia terminates in a prominent crown of spines and no spines. Fig. G1. Aphrophora i-notata Say: a, from ab
. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. 104 ORDER IIEMIPTERA Some of the forms have juhilt liibernation and others egg hibernation. Family Cercopidse.—The CercopidcF is a family that has few economic s])ecies. • They differ from the Fulgoridse in having the head and thorax rather normal in shape, first pair of wings usually thickened opaque and ^Tnation not very conspicuous. The thorax is well developed, the tibia terminates in a prominent crown of spines and no spines. Fig. G1. Aphrophora i-notata Say: a, from above; /), from side. (From Lugger, Minn. Ann. Rept. 6.) on the sides of the tibia. These inchide the little frog hop- pers or "spittle ; The hxrvte suck the juices of the plants on which they occur and pump out more juice than they have use for and extrude it from the body in fluid form and set air free within this juice, making the frothy mass which covers the entire body of the larvae. These masses are found hanging on the stems of plants very frequently during the summer. After they ha\e passed through the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Osborn, Herbert, 1856-1954. Philadelphia ; New York : Lea & Febiger
Size: 1231px × 2031px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectb, booksubjectinsects
