Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 292 ELEMENTARY STUDIES IN INSECT LIFE HEMIPTERA. A.— Front of head not touching the coxse; distal portion of wing generally thinner than basal part. (Hcteroptera.) B.—Antennae as long as the head at least. Terrestrial Heter- optera excepting one family, Hydrobatidse. C.— Last segment of tarsi more or less split; claws arising from side of tarsi. D.— Body usually elongate; beak four-jointed; tarsi two- jointed. Second and third pair of legs unusually long. Hydrobatidae. (Water-Striders.) CO.—L
Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 292 ELEMENTARY STUDIES IN INSECT LIFE HEMIPTERA. A.— Front of head not touching the coxse; distal portion of wing generally thinner than basal part. (Hcteroptera.) B.—Antennae as long as the head at least. Terrestrial Heter- optera excepting one family, Hydrobatidse. C.— Last segment of tarsi more or less split; claws arising from side of tarsi. D.— Body usually elongate; beak four-jointed; tarsi two- jointed. Second and third pair of legs unusually long. Hydrobatidae. (Water-Striders.) CO.—Last segment of tarsus entire; claws arising from end of tarsi. D.—Antennae four-jointed. E.—Wing-covers resembling network; tarsi two-jointed. Tingitidae. (Lace-Bugs.) EE.—Wing-covers of various forms or rudimentary, but not resembling lacework. F.— Beak three-jointed, curved. Front femora some- what thickened. Reduviidae. (Assassin-Bugs.) FF.— Beak four-jointed. G.— Ocelli present. FIG. 219. Wing of Coreidae, showing venation. (After Comstock.) FIG. 220. Wing venation of Ly- gieidae. (After Comstock. FIG. 221. Wing vena- tion of Capsidse. (After Comstock.) H.—Antennae inserted on upper part of head; venation of wing according to figure. Coreidae. (Squash-Bugs.) HH.—Antenna? inserted well down on side of head; venation of wing according to figure. Lygaeidae. (Chinch-Bugs.) GG.— Ocelli wanting; venation of wing according to figure. Capsidae. (Leaf-Bugs.)
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