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Articles 11131 - 11160 of 11469
Full-Text Articles in Life Sciences
Svensk Insektfauna Steklar Gaddsteklar Andra Rofsteklar, C. Aurivillius
Svensk Insektfauna Steklar Gaddsteklar Andra Rofsteklar, C. Aurivillius
An
Hufvudet medelmåttigt eller stort. Ögonen oftast nakna, mycket sällan håriga (Entomognathus), på insidan vanligen hela, sällan med en inskärning (Phila11thus, Trypoxylon); de äro oftast så stora, att de nå ned till mandiblernas rot, hvarigenom kinder komma att saknas; de stå antingen parallella eller närma sig hvarandra uppåt eller nedåt. Punktögonen tre ställda i trekant, vanligen halfklotformiga, de öfre sällan otydliga och långsträckta (T achytes). Öfverläppen är oftast liten och mer eller mindre dold under munskölden, sällan (Bembex) mycket stor och inslagen under mandiblern a. Mandiblerna äro vanligen skärformiga, enkla eller tandade. Underkäkarne och tungan äro korta och bilda således endast …
A New Genus Of Bees, J. C. Crawford Jr.
A New Genus Of Bees, J. C. Crawford Jr.
Co
Protandremopsis, new genus.-Labial palpi four-jointed, r about twice as long as 2-4 together, 2-4 slightly decreasing in length; maxillary palpi 6-jointed, 1 and 2 subequal, longer than any of the following joints ; 3, 5 and 6 subequal, 4 slightly longer; tongue long, lanceolate; mandibles simple; labrum transverse, process of labrum large, almost covering labrum; foveae present, small; stigma large, well developed, nearly two-thirds the length of the obliquely truncate, subappendiculate marginal cell, which is about as long as the two submarginals together; second submarginal fully one-third longer than the first, receiving the first recurrent nervure about one-third from base …
Some Nebraska Bees, J. C. Crawford Jr.
Notes On The Entomology Of Pecos, New Mexico, T. D. A. Cockerell
Notes On The Entomology Of Pecos, New Mexico, T. D. A. Cockerell
Ca
No abstract provided.
Hymenoptera Of Beulah, New Mexico, Henry L. Viereck, T. D. A. Cockerell
Hymenoptera Of Beulah, New Mexico, Henry L. Viereck, T. D. A. Cockerell
Ca
No abstract provided.
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.17, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.17, William H. Ashmead
An
This tribe, to the initiated, is readily distinguished by the eyes, which are usually quite differently shaped, rarely smooth and shining, and always distinctly facetted, although a few females have small ellipsoidal or somewhat rounded eyes, as in the tribes Photopsidini and Sphaerophthalmini, and therefore, if the greatest care is not given to other characters, could be confused with certain genera in those tribes.
On The Sleeping Habits Of Some Aculeate Hymenoptera, Charles Thomas Brues
On The Sleeping Habits Of Some Aculeate Hymenoptera, Charles Thomas Brues
Bo
No abstract provided.
Some North American Bees: Osmia And Triepeolus, T. D. A. Cockerell
Some North American Bees: Osmia And Triepeolus, T. D. A. Cockerell
Ca
No abstract provided.
A New Ammoplanus, William H. Ashmead
A New Ammoplanus, William H. Ashmead
An
Length 2.5mm. Black, the surface smooth and shining, except the metanotum which is opaque, shagreened and with some raised lines; the mandibles, except the teeth, the palpi and the tegulae, white; antennae pale testaceous whitish beneath; legs black the tips of trochanters, the apices of the femora, all tibiae except a brownish spot toward apex of the hind pair and the tarsi, pale honey-yellow; wings hyaline, with the subcostal vein towards apex, and the large stigma brown ; the other veins are pallid or nearly hyaline.
The Nesting Of A Carpenter Bee, Wilmatte Porter Cockerell
The Nesting Of A Carpenter Bee, Wilmatte Porter Cockerell
Co
About the middle of August when the flowers are at their best in our mountain canyon (Beulah, New Mexico), and the wild bees and butterflies have a daily surfeit of nectar, this clever little carpenter goes to work to make a storehouse and to provide for the young of the next generation. Many bees and wasps make their nests by cutting out; burrows in trees and bushes, but few work as quickly and skillfully as Clisodon terminalis.
A New Bombus From Costa Rica, J. C. Crawford Jr.
A New Bombus From Costa Rica, J. C. Crawford Jr.
Co
Black, with deep black pubescence, except that on anterior half of mesothorax, which is grayish, tipped with black, and on abdominal segments 3-6, which is pure white; clypeus arched, weakly and very sparsely punctured; labrum basally with two widely separated tubercles; joint r of flagellum equal to 2 and 3 together; wings deeply infuscated, iridescent; basal joint of hind tarsi not pointed at apex; pubescence of legs black. Length 21-22 mm.
New Bees From Southern California And Other Records, T. D. A. Cockerell
New Bees From Southern California And Other Records, T. D. A. Cockerell
Ca
No abstract provided.
North-American Bees, And A New Homopteron, T. D. A. Cockerell
North-American Bees, And A New Homopteron, T. D. A. Cockerell
Ca
No abstract provided.
A New Bee Of The Genus Andrena, T. D. A. Cockerell
New American Hymenoptera, Mostly Of The Genus Nomada, T. D. A. Cockerell
New American Hymenoptera, Mostly Of The Genus Nomada, T. D. A. Cockerell
Ca
No abstract provided.
Notes On Five Species Of Megachile, T. D. A. Cockerell
North American Bees Of The Genus Nomada, T. D. A. Cockerell
Bees Of The Genus Nomada From California, T. D. A. Cockerell
Some Notes On The Bee Genus Andrena, Lawrence Bruner
A New Oak-Gall, T. D. A. Cockerell
Descriptions Of New Species Of Hymenoptera Taken By Mr. Edward Whymper On The "Higher Andes Of The Equator", Peter Cameron
Descriptions Of New Species Of Hymenoptera Taken By Mr. Edward Whymper On The "Higher Andes Of The Equator", Peter Cameron
Bu
No abstract provided.
Additions To The Fauna Of Mexico (Bees And Coccidæ), T. D. A. Cockerell
Additions To The Fauna Of Mexico (Bees And Coccidæ), T. D. A. Cockerell
Ca
No abstract provided.
Notes On The Bee: Genus Apis, T. D. A. Cockerell
Notes On Some Genera Of Bees, T. D. A. Cockerell
Vi. Descriptions Of Nineteen New Species Of Larridae, Odynerus And Apidae From Barrackpore., Peter Cameron
Vi. Descriptions Of Nineteen New Species Of Larridae, Odynerus And Apidae From Barrackpore., Peter Cameron
Bu
No abstract provided.
A Catalogue Of The Bees Of California, T. D. A. Cockerell
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.13, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.13, William H. Ashmead
An
This family, although quite distinct, is closely allied to the two which follow-the Myrmosidae and the Mutillidae-and it will probably be difficult for the student to separate at once the wingless females from some in the families mentioned. Some authorities, having been unable to find good characters to separate these wasps, have classified all together as a single large family under the name .Mutillidae; but I think incorrectly so.
On Some New Genera And Species Of Parasitic And Fossorial Hymenoptera From The Khasia Hills, Assam. [Concluded From P. 185], Peter Cameron
On Some New Genera And Species Of Parasitic And Fossorial Hymenoptera From The Khasia Hills, Assam. [Concluded From P. 185], Peter Cameron
Bu
No abstract provided.
A New Bee Of The Genus Andronicus, T. D. A. Cockerell
Studies Of Texan Bees Part I., Charles Thomas Brues