. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 241 BB. With rudimentary ni()uth-[)arts; |)al[)i wanting; antennae with dorsal arista.—(Estridce (Hot FHes), p. 254. BBB. With well developed mouth-parts; palpi present; head with a suture above the antenna;.—Superfamily Muscoldca. C. Alulets small; eyes of males not contiguous; thorax without com- plete transverse suture.—(Acalyplrale Muscids.). R4i£ Mit^ Fig. 149.—Venation of a leptid (Leptis). (After Comslock.). Please note that these


. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 241 BB. With rudimentary ni()uth-[)arts; |)al[)i wanting; antennae with dorsal arista.—(Estridce (Hot FHes), p. 254. BBB. With well developed mouth-parts; palpi present; head with a suture above the antenna;.—Superfamily Muscoldca. C. Alulets small; eyes of males not contiguous; thorax without com- plete transverse suture.—(Acalyplrale Muscids.). R4i£ Mit^ Fig. 149.—Venation of a leptid (Leptis). (After Comslock.). 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