. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 78 bulletin: museum of comparative zoology abdomen; fore wings parchment-like, containing many veins; hind wings with a large anal lobe, clearly separated from the rest of the wing and radially folded. Legs strong, similar, coxae large; tibiae usually strongly spinose; tarsi five-jointed. Abdomen with ten tergites of nearly equal size, broadly attached at the base and not very freely movable; cerci prominent and jointed. Metamorphosis slight. Roaches. 1. Middle and hind femora, or at least the hind femora, with severa


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 78 bulletin: museum of comparative zoology abdomen; fore wings parchment-like, containing many veins; hind wings with a large anal lobe, clearly separated from the rest of the wing and radially folded. Legs strong, similar, coxae large; tibiae usually strongly spinose; tarsi five-jointed. Abdomen with ten tergites of nearly equal size, broadly attached at the base and not very freely movable; cerci prominent and jointed. Metamorphosis slight. Roaches. 1. Middle and hind femora, or at least the hind femora, with several evident marginal spines beneath 2 Middle and hind femora unarmed beneath, or furnished only with hairs and bristles, or with one or two apical or subapical spines . .9 2. Females with the seventh ventral segment divided posteriorly to form a valvular apparatus 3 Seventh ventral segment of female large, undivided, and rounded . 5. Figs. 61-62. Blattaria 61. Blatella. Phyllodromiidae. 62. Periplaneta, wings. Blattidae. Apical portion of wings with at least some distinct venation, folded or crumpled in repose, never coiled into a spiral 4 Apical portion of wings entirely without venation, coiled in a spiral in repose. (Oulopteryx, Neotrop.) OULOPTERYGID^ Moderate to large, heavily pigmented species, with eyes; tenth dorsal segment of the male more or less quadrangular, often impressed, or emarginate behind. Mainly tropical. (Blatta, cosmop. (B. orientalis, Oriental cockroach); Eurycotis, Neotrop.; Polyzosteria, Austr.; Methana, Ethiop., Indoaustr.; Deropeltis, Ethiop.; Periplaneta (Fig. 62) cosmop. (P. americana, American cockroach, P. austr alasice, Australian cockroach)). {PERIPLAN- ET1N&) BLATTIDjE. 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 Harvard University. Museum of Comparative Zoology. Cambr


Size: 2288px × 1093px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology