Cockerell, T. D. A.

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Utah State University DigitalCommons@USU Ca Bee Lab 2-1-1902 New Bees of the Genus Andrena, From Wisconsin T. D. A. Cockerell New Mexico Agricultural Experiment Station Follow this and additional works at: https://digitalcommons.usu.edu/bee_lab_ca  Part of the Entomology Commons Recommended Citation Cockerell, T. D. A., "New Bees of the Genus Andrena, From Wisconsin" (1902). Ca. Paper 308. https://digitalcommons.usu.edu/bee_lab_ca/308 This Article is brought to you for free and open access by the Bee Lab at DigitalCommons@USU. It has been accepted for inclusion in Ca by an authorized administrator of DigitalCommons@USU. For more information, please contact digitalcommons@usu.edu. r: THE CANADIAN ENTOMOLOGIST. N.E\V BEES OF TUE GENV:::i A,\iDRENA, FROM WISCON.::ilN. BY T. D. J\, COCKEREL! ., E. LAS VEGAS, N. ~I. A11drena subco11t111oda, n. sp. ~ .-Length about 12 mm.; black; head and thorax with pale ochraceous or whitish hair, very short and thin on thoracic dorsum; head ordinary, facial quadrani:;le square; vertex behind the ocelli finely roughened and punctured; front below the ocelli punctured as well as grooved ; facial fovere broad, pale, closely adjacent to eyes ; antennre dark; clypeus thinly hirsute, shining, strongly but not densely punctured, no median smooth line; process of labrum truncate; maxillary palpi short; mesothorax shining, strongly but not densely punctured; meta-thorax very coarsely roughened, enclosure irregularly subreticulately ridged, but without a transverse hounding ridge; tegulre dark, with a ferruginous spot; wings dusky with a yellow tint, nervures and stigma · ferruginous, second submarginal cell broad; legs wholly dark; hind tibial spur of hind legs much curved; hair on inner side of basal joint of hind tarsi fulvous; abdomen shining, strongly and closely punctured, finely pubctscent at sides, but without dorsal hair-bands; fimbria fulvous. Hab.-Mihvaukee, Wisconsin, June 1 r. ( Dr. S. Gramicher.) Differs from A. Commoda by not having ferruginous tarsi and hind tibire; also by the truncate process of labrum. By the latter character, among others, it differs from A. pnmi. Andrena Sigmzmdi, n. sp. (j? .-Length 10 mm.; black; pubescence brownish-white; head ordinary; cheeks densely and strongly punctured ; antennre dark ; first joint of flagellum rather short; front below ocelli cribrately punctured; clypeus bare, very shiny, very densely and strongly punctured, with a narrow median impunctate line on the lower two-thirds; facial fovtre pale, narrow below, broadening gradually above ; process of labrum truncate; mesothorax very strongly and densely punctured ; scutellum the same ; metathorax cribrate, very rough, enclosure with small vermiform plica-tions and no transverse ridge ; teguhe piceous, with a brown spot; wings stained with yellowish ; nervures and stigma dark ferruginous ; first recurrent nervure entering second submarginal cell at the beginning of its last third; legs wholly dark; hair on inner 3ide of basal joint of hind tarsi fuscous, shining coppery; abdomen suboval, shining, strongly and rather closely punctured; no hair-bands, but segments 4 and 5 fringed with shining hairs; fimbria auro-fuscous. Feb. 1, 1902. 4:6 THE CANADIAN ENTOMOLOGIST. f-£,1b.-:\lilwaukee, Wisconsin, l\Iay 26. ( Dr. S. Graemd ter.) This is very simi lar to A. Forbes ii, bnt that species has a transverse ridge on the metathorax, and the punctures of the abdomen (especially the second segmenL) closer. Still, they are very closely allied. Audrena multiplicata, n. sp. S' .-Length about 9 mm.; black; head and thorax with stiff yellow-ish-white pubescence ; head ordin a ry, facial quadrang le sq uare ; vertex with very large punctures; front below ocelli cr ibrately punctured; facial fovere whitish, broad, closely adj acen t to eyes; antennre dark ; clypeus polished, stro ngly and closely punctured, with a hardly defined median smooth line ; process of labrum rounded; mesothorax and scutellum somewhat shinin g, with fairly close, large and deep punctures, those on scutellum very brge and irregular; base of metathorax very strong ly longitudin ally plicate, with a strong transverse ridge, the plic oo are abou t eight on each side of the middle line ; teguloo piceous, with a pa le margin and a fulvous spot; wings dusky, with a yellowish tint, nervures and stigma dark ferruginous ; legs very dark brown, hind tarsi very dark ferrngin ous ; basal joint of middle tars i rather broad; hair on inner side of basal joint of hind tarsi light oran ge-fulvous ; abdomen strongly and closely punctured, punctures on basal part of second segment much smaller and closer than those on basa l part of first ; segments I to 4 with latera l white hair-bands, those on 3 and 4 much narrowed med ially, but nearly conti nu ous; fimbria fulvons. I:ftib.-Milwaukee, Wisconsin, June 2. ( D1-. S. Graetticlter.) Belong-; to the group of A. rugosa, and is allied to A. Forbesii and A. grandior. A11dre1ta radiatula, n. sp. ~ .- Length about ro mm. ; black; pubescence rather dense, reddish -brow n dorsally, paler elsewhere; abdomen not banded; fimbria pale purplish-gray . Th is is close ly similar to A. Sigmzmdi , but differs as follows: Head smaller, facial quadrang le narrower; facial foveoo with a reddish tint, and narrowing more rapid ly below; clype us hairy all over; ha ir of thorax strongly reddish; basal area of metathorax more regularly plicate and better defined; third submarginal ce ll less narrowed above . .Hiib.- Milwaukee, Wisconsin, June 16. ( Dr. S. Graeniclter.) A11drena rufosignata, n. sp. ~ .-Le ngth abo ut IO mm.; black ; pubesce nce whitish, tinged with THE CANADIAN ENTOMOLOGIST. 47 yellow above, especially on the scutellum; head ordinary, facial quadrangle about square; antennre rather long, flagellum dark ferruginous beneath towards end ; cheeks tessellate and hardly or not punctured ; front below ocelli striate; clypeus granular and dull at the sides, but disc strongly shining, with strong sparse punctures, the lower middle almost wholly impunctate; process of labrum rounded, broad, the end very slightly trun-cate; mesothorax minutely tessellate, dull, with shallow, hardly visible, punctures, median and parapsidal grooves distinct ; sc utellum slight ly shining but not polished ; base of metathorax granular, no transverse ridge; tegul re piceous in front, dark reddish -brown posteriorly ; wings nearly clear, . apical margin slightly dusky; stigma clear ferrnginous, nervures darker ; legs dark, hair on inner side of basal joints of middle and hind tarsi fulvous; abdomen broad, tessellate-impunctate, without hair-bands; fimbria fulvous. Ifab.-Milwaukee, Wisconsin, May 19. ( Dr. S. Graenic!ter.) When one look s at the head from above, the broad facial fovere are see n to have a strong red tint; which is very distinctive of the species. Andrena c!ypeonitens, 11. sp. 'r, .-Length about 9 ¼ mm. ; black ; pubescence pale ochreous, brighter on scutellum; head broad, facial quadrangle somewhat broader than long ; antennre dark, flagellum very faintly reddish towards tip ; front below ocelli striate; disc of clypeus bare, sparsely punctured, with a large shining impunctate space; process of labrurn broad and rounded ; facial fovere pallid, rather broad, adjacent to eyes ; mesothorax dull, minutely tessellate, impunctate; basal area of metathorax dull, defined only by absence of hair ; tegulre very dark brown ; wings smoky, nervures dark brown, stigma dark ferruginous, with a dark brown margin ; second submarginal cell nearly square; legs black, the three first smaH joints of tarsi deep ferruginous ; hair on inner side of basal joint of hind tarsi fuscous, shining coppery; abdomen tessellate-impunctate, with continuous white hair-bands, that on the first segment reduced to a few scattered hairs, those on the others dense and conspicuou~; fimbria and hair of penultimate segment dark purplish-gray. Hab.-Milwaukee, Wisconsin, Aug. 19. ( Dr. S. Graenicl1er.) A species of the group of A. solidaginis and A. xa11t!tigera. The clypeus will at once separate it from A. solida 0 inis 1 which occtns in the same region , 

New Bees of the Genus Andrena, From Wisconsin

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New Bees of the Genus Andrena, From Wisconsin

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