. Cooperative economic insect report; survey methods. Entomological surveys; Insect pests United States. 83 ). Median section of bridge between lateral lobes of male genitalia more or less straight (N) sten:ale Jayne Median section of bridge between lateral lobes of male genitalia arched (0) • • grassmani Beal B. MATURE LARVAE Urogomphi present on dorsum of °th abdominal segment(A)..DERMESTES Linnaeus Urogomphi absent •••• 2 .)• Hastisetae (spear-headed hairs) present on abdominal tergites (B) ••• 3 Hastisetae absent ATTAGENUS Latreille !)• Tufts of hastisetae on abdominal tergites arising ent


. Cooperative economic insect report; survey methods. Entomological surveys; Insect pests United States. 83 ). Median section of bridge between lateral lobes of male genitalia more or less straight (N) sten:ale Jayne Median section of bridge between lateral lobes of male genitalia arched (0) • • grassmani Beal B. MATURE LARVAE Urogomphi present on dorsum of °th abdominal segment(A)..DERMESTES Linnaeus Urogomphi absent •••• 2 .)• Hastisetae (spear-headed hairs) present on abdominal tergites (B) ••• 3 Hastisetae absent ATTAGENUS Latreille !)• Tufts of hastisetae on abdominal tergites arising entirely from a membranous area on the caudo-lateral edge of segments; hastisetae from right and left sides usually converging over the cauda (C) ANTHRENUS Fabricius Tufts of hastisetae on abdominal tergites arising from the sclerotized dorsal surface of the segmentsj hastisetae not obviously convergent over the cauda (D) TROGODERMA Berthold h >). Second antennal segment 3 times length of 1st (E) • .simplex Jayne Second antenna! segment less than twice length of 1st (F) $. sins pi «x parabil. 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 United States. Plant Pest Control Division. [Washington]


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