. Bulletin. Natural history; Natural history. Nymphal abdominal sternites Q Abdominal sternites Fig. 14.—Brachyptera inntorta. chiefly in that ninth abdominal sternite has a broad, platelike projection extending about to tip of abdomen, fig. 14, instead of a narrow, platelike projection. Nymphal specimens from same locality as allotyjie. Illinois Natural History Survey collection records are as follows. Connecticut.— Hampton: Same data as for allotype, 26 , 1 $, 16 nymphs. Virginia.—: March 21, 1940, T. H. Prison, C. O. Mohr & A. S. Hawkins, l(i, 79. Sperrvville: Marc
. Bulletin. Natural history; Natural history. Nymphal abdominal sternites Q Abdominal sternites Fig. 14.—Brachyptera inntorta. chiefly in that ninth abdominal sternite has a broad, platelike projection extending about to tip of abdomen, fig. 14, instead of a narrow, platelike projection. Nymphal specimens from same locality as allotyjie. Illinois Natural History Survey collection records are as follows. Connecticut.— Hampton: Same data as for allotype, 26 , 1 $, 16 nymphs. Virginia.—: March 21, 1940, T. H. Prison, C. O. Mohr & A. S. Hawkins, l(i, 79. Sperrvville: March 17, 1940, T. H. Prison, et al., 76, 3$, 3 nymphs. Brachyptera rossi new species Mali;.—General habitus similar to that of other species of Brachyptera. Head, thorax and abdomen mostly black with portions suli'used with reddish brown. An- tennae black, the segments longer than broad throughout length. Legs with tarsi, tibiae and apical third of each of the femora black ; basal two-thirds of each of the femora yellowish brown. No traces of membranous gill scars on coxae. Wings with veins black and membrane smoky, venation as in fig. 15. Apical abdominal segments intricately modified and presenting the distinctive characters, fig. 15, for this new species as folhjws: Ninth abdominal sternite greatly prolonged into a plate which extends back beyond the tip of abdomen, then bends upwards and is club headed at tip as viewed from the side, with a stout, sickle- shaped structure at tip as viewed from above, and near its base there is a prom- inent lobe; tenth abdominal tergite bears two slender, pointed projections, directed backwards, on middle of posterior mar- gin ; cercus 5 or 6 segmented, with a plate- like lobe at its base above; supra-anal process a short, stout, pointed lobe; sub- anal lobes complicated, asymmetrical and, viewed from above, as in fig. 15. Length to tip of wings, 13 mm. Holotvpe, male. — Near Woodstock, Bog Brook, N. H.: June 21, 1941, T. H. Prison &
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