. Bulletin. Natural history; Natural history. 308 Natlrau History Survey Bulletin lol. 22, Art. 2. Abdominal segments^ Fig. HO.—Diplopcrla buibosa. Female,—Head, thorax, basal abdom- inal segments and appendages in general similar to those of male, but slightly larger in size. Important differences are as fol- lows: Eighth abdominal sternite on pos- terior margin with a very large subgenital plate which covers most of the ninth ster- nite; median posterior margin of this plate is distinctly cleft, fig. 80. Holotype, male.—Great Smoky Mountains National Park, Oreenbricr Cove, Tenn.: J
. Bulletin. Natural history; Natural history. 308 Natlrau History Survey Bulletin lol. 22, Art. 2. Abdominal segments^ Fig. HO.—Diplopcrla buibosa. Female,—Head, thorax, basal abdom- inal segments and appendages in general similar to those of male, but slightly larger in size. Important differences are as fol- lows: Eighth abdominal sternite on pos- terior margin with a very large subgenital plate which covers most of the ninth ster- nite; median posterior margin of this plate is distinctly cleft, fig. 80. Holotype, male.—Great Smoky Mountains National Park, Oreenbricr Cove, Tenn.: June 4, 1939, A. C. Cole. Allotype, female.—Same data as for holo- type. Paratypes.—Tennessee.—Gatmnburc: June 27, 1940, reared from nymph, T. H. Prison ft al., 1 $ . Nymph. — General color yellowish brown with dark brown or fuscous areas on head, thorax and abdomen, as in fig. 81. Antennae, legs and anal cerci mostly yel- lowish brown. Head with three ocelli forming an al- most equilateral triangle, lateral ocelli slightly closer together than each ocellus is distant from inner margin of adjacent compound eye; no complete occipital ridge, but short, stout spinulae with conspicuous bases extend around posterior half of com- pound eye, and a row of them extends in- wards part way to center from inner mar- gin of each compound eye; basal segments of mouthparts extend out conspicuously from sides of head so that head appears much broader than pronotum. Labium, maxillae and mandibles as in fig. 80; glossae and paraglossae terminating in nipple-like structures. Pronotum broader than long, posterior angles or corners more rounded than an- terior angles, fig. 81. Abdominal tergites with prominent, pale-colored spots surrounded by dark brown or fuscous, fig. 81. Cerci long, many segmented, segments progressively longer from base to apex; a longitudinal row of long, fine setae on dorsal surface in addition to smaller spinelike ones en- circling apex of each segment. Approxi
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