. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 285 CARABID^ (GROUND BEETLES) Common Genera (after IvCconte and Horn): A. Middle coxal cavities entirely closed by the sterna (Fig. 185). B. Head with two punctures above the eye, each bearing a single bristly hair. C. Margin of elytra interrupted at posterior end and with a distinct internal fold; three basal joints of antennas glabrous. D. Last joint of palpi as long a
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 285 CARABID^ (GROUND BEETLES) Common Genera (after IvCconte and Horn): A. Middle coxal cavities entirely closed by the sterna (Fig. 185). B. Head with two punctures above the eye, each bearing a single bristly hair. C. Margin of elytra interrupted at posterior end and with a distinct internal fold; three basal joints of antennas glabrous. D. Last joint of palpi as long as or longer than the next to the last and cylindrical.—Ptcroslichus. DD. Last joint of palpi shorter than the next to the last.—Amara. CC. Margin of elytra not interrupted posteriorly and without an internal fold. D. Penultimate joint of labial palpi with but two bristly hairs; elytra truncate at tip; front tibia; slender; tibial spurs short, head constricted behind the eyes.— 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, 1864-1927. Philadelphia : Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
