. The Annals and magazine of natural history; zoology, botany, and geology. iscovery. In 1891 Mr. Douglas published his 0. occidentalismbased on specimens found by the present writer in ants nestsin Colorado. Of this the adult male is undescribed. 0. Annce, which is easily distinguished by structure andhabitat from the above, is thus the fourth Orthezia detectedin the United States. A fifth species, 0. insignis^ Douglas,has lately been found by Mr. R. H. Pettit in hothouses inNew York State ; but this is properly a member of the West-Indian and Mexican faunas. The most northern locality yetkno
. The Annals and magazine of natural history; zoology, botany, and geology. iscovery. In 1891 Mr. Douglas published his 0. occidentalismbased on specimens found by the present writer in ants nestsin Colorado. Of this the adult male is undescribed. 0. Annce, which is easily distinguished by structure andhabitat from the above, is thus the fourth Orthezia detectedin the United States. A fifth species, 0. insignis^ Douglas,has lately been found by Mr. R. H. Pettit in hothouses inNew York State ; but this is properly a member of the West-Indian and Mexican faunas. The most northern locality yetknown for it out of hothouses is Guanajuato, Mexico, whenceI have received specimens from Dr. A. Dug^s. BergrotJna Townsendi^ sp. n. A small oval species, covered by a white sac, 3 mlong. Antennte of seven joints (in one specimen there seembe eight) ; 7 longest, longer than5 + 6, which are shortest; 2 and3 about equal, 4 a little 7 (123) 465. Jointswith whorls of a few short hairs ;last joint with three such whorlsand four longer hairs at thetip. to. Bergrothia Toionsendi, Jof abdomen. -End Tibia f length of femur; tar-sus a little over (on hind legnot over) half length of of claw with largeknobs ; tarsal knobbed hairs ordinary. Trochanter v/itli a long two new OocQ,\(\di from New Mexico. 405 liair. End of tibia with a stiff bristle on inner side. Clawratlier short, curved. Anal ring with six very distinct hairs. Posterior tuberclesinconspicuous, each emitting a hair similar to that on the analring. Sides of body with many round gland-spots, and marginwith pairs of short spines at intervals, at least on the posteriorpart of tiie body. Lower lip elongated as in Orthezia, with about ten filaments short. After boiling in caustic soda the insects appear pale reddishbrown or almost colourless ; they do not appreciably stain theliquid. Tlie above description refers to the adult female; larvaewere found with them in June 1893, but th
Size: 2034px × 1228px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
