. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. AMALOI'TS. as ii: /'"/'V/'i1. Tiliire with spurs jit tlie fi;-: ciiiiiodia distiiat ; uiilmu's siiuiiilli. Kyi/s jmliesi I'lit; fiont witli a giMiosity Ix-hiiul tlio antt^iiii:i'; till-latter llijoiiittfd, slioit (not icauliing iii'.cli Imyoinl the CMiUaie when lit'ut b'.ckwiiids). Male forfejis more or less ulub-shapcd, with s-tont, braiuLeil horny appendages. IJdstniin short, witli liir<ro, hairy lips; ciiistonia niucli l)roiule
. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. AMALOI'TS. as ii: /'"/'V/'i1. Tiliire with spurs jit tlie fi;-: ciiiiiodia distiiat ; uiilmu's siiuiiilli. Kyi/s jmliesi I'lit; fiont witli a giMiosity Ix-hiiul tlio antt^iiii:i'; till-latter llijoiiittfd, slioit (not icauliing iii'.cli Imyoinl the CMiUaie when lit'ut b'.ckwiiids). Male forfejis more or less ulub-shapcd, with s-tont, braiuLeil horny appendages. IJdstniin short, witli liir<ro, hairy lips; ciiistonia niucli l)roiuler than ;; piilpi Cdinparativoly Iniifj:; the last joint is ioiip-cr than tlic |)i'fc((liiij2:, but usually shortur tliau tlu; two jtrocodiiiu' joiuts takrii too-other.' Tiio cyt'S arc itiihi'scL'iit, scpafalod aliovo by a iiiodcriilcly broad front; on the luidur side of the liead, tiie spaeo si'parating tli'Mu is narrow ; the ^'ibltosity ou tlu' front, behind the aiitciniio, is sometimes sniaU, but always ])ereei»tible. Anteiiiuc ICi-jiMiited, very siiort; and seeond joints of tiie usual shape; the llaiit'llum of some sjjeeies (as ^1. vt^rtialitt 0. S., auriin'tuun 0. S., lininaruUita M,) is stroiiti'Iy inerassated at the basis, the joints laiiiu' elosely packed toj^ether ; the tip is tapering and slender; ill iitlier speeies, however, this inerassalion is not perce})tible, and the joints ar(( well separated from each other (^1. calvar 0. S.); till' under side of the flagellum, espeeitdly in the males, is elothed wiili ii short, dense pul)escenee ; the opposite side has longer, vcnicilliite hairs. Collare rather long, well develojx'd ; thoracic siiliu'e well nuirked. Feet long, moderately strong; the spurs at till' tip of the tibia' vary in length and distinctness; in A. valcar tiiry are very long and divaricate, ami therefore conspicuous; iimcli less so in the other species; front tarsi (%) rather long, aliiiut once and a half or om-e and a (pnirter the len
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectd, booksubjectinsects
