. The Canadian entomologist. Insects; Entomology. 306 THE CANADIAN ENTOMOLOGIST. aa. Antennas more slender; segments 5, 6 and 7 sliglitly less than two-fifths as wide as long ; segments i and 2 neaily concoloroiis with body ; segment 3 pale yellow; segments 4 to 8 bright lemon-yellow. Pro- ihoracic spines large, rather prominent; mid-laterals present, fully as long as anterior marginals P. citricorjiis, sp. nov. The measurements of the female of this species are as follows : Total length, mm. ( to 246 mm); head, length, .32 mm.; width, .21 mm.; prothorax, length .16 mm.; width (includ
. The Canadian entomologist. Insects; Entomology. 306 THE CANADIAN ENTOMOLOGIST. aa. Antennas more slender; segments 5, 6 and 7 sliglitly less than two-fifths as wide as long ; segments i and 2 neaily concoloroiis with body ; segment 3 pale yellow; segments 4 to 8 bright lemon-yellow. Pro- ihoracic spines large, rather prominent; mid-laterals present, fully as long as anterior marginals P. citricorjiis, sp. nov. The measurements of the female of this species are as follows : Total length, mm. ( to 246 mm); head, length, .32 mm.; width, .21 mm.; prothorax, length .16 mm.; width (including coxae) .37 mm.; pterolhorax, width, .42 mm.; abdomen, width, .48 mm.; tube, length, .22 mm.; width at base, .078 mm ; at apex, .043 mm. Antennae : 1,42/x; 2, 64/x ; 3, 115/^; 4, 109/x; 5, 92/x; 6, 87/^; 7, 70//; 8, 41//. Total, .620 mm. Described from several macropteroiis females from the following localities : Illinois—Dubois, Duquoin, Odin, Pulaski, on hickory leaves (L. M. Smith). Pennsylvania—Harrisburg, Rockville, "on wild ; The dates range from April 28 to July 16. Mega lot hrips (?) spi?iosus, sp. nov. (Figs. 16 and 17.) Female.—Length about 4 mm. Colour nearly uni- form black, excepting tarsi, which are dark black- ish-brown. Head slightly more than twice as long as wide, broadly rounded in front, sides subparallel; dorsal and lateral surfaces finely transversely striate, sparsely and briefly spinose; anterior portion of head with two pairs of piominent, pointed bristles in addition to the postocular, a shorter pair with their bases slightly behind the posterior ocelli, and a longer pair equal in length to. Fig. 16.—Megfalothrips (?) 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 Entomological Society of Canada (1863-1871); Entomological Society of Canada (195
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