. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS I07 ORDER ORTHOPTERA (LOCUSTS, GRASSHOPPERS AND CRICKETS) FAMILIES A. Antennae shorter than body.—Acrididce {Locusts or Short-horned Grass- hoppers) . AA. Antennae longer than body. B. Tarsi 4-jointed.—Locustidce (Long-horned Grasshoppers). BB. Tarsi 3-jointed.—Gryllidce (Crickets). AcRiDiDiE (Locusts or Short-Horned Grasshoppers) Sub-families, Genera and Species (Figs. 61-63). Sub-families: A. Pronotum extending over abdomen; claws of t
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS I07 ORDER ORTHOPTERA (LOCUSTS, GRASSHOPPERS AND CRICKETS) FAMILIES A. Antennae shorter than body.—Acrididce {Locusts or Short-horned Grass- hoppers) . AA. Antennae longer than body. B. Tarsi 4-jointed.—Locustidce (Long-horned Grasshoppers). BB. Tarsi 3-jointed.—Gryllidce (Crickets). AcRiDiDiE (Locusts or Short-Horned Grasshoppers) Sub-families, Genera and Species (Figs. 61-63). Sub-families: A. Pronotum extending over abdomen; claws of tarsus without pulvillus; size small.—Tettigince. C€K. ' oyp. Fig. 61.—Abdomen of female Melanoplus hivittatus. A, lateral view; B, dorsal view; C, central view; D, egg guide; au., the auditory organ; sp., spiracle; ovp., ovipositor; , genital plate; , podical plate; cer., cercus. {After Lugger.) A A. Pronotum not extending over abdomen; claws of tarsus with pulvillus; size larger, B. Prosternum with tubercle.—Acridince. BB. Prosternum without tubercle. C. Vertex and front of head meeting at an acute angle.—Tryxalina. CC. Vertex and front rounded.—( 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
