. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. AMALdl'lS. 20 0 loiiL'or than tlie second (Tab. II, fig. 14) ; spurs of the tilise rather long. Loiiu. corp. t>.4r)â0.,').'). Amalopis culear 0. , Proc. Ac. Nat. Sc. Phil. I&.'jO, p. 247. Frniit and vortex grayish; oi>istonia brownish f^ray ; palj)! vellow atth»,' basis, two hist joints int'uscatctl ; antenniu yi-llowisii, iiil''tl sit tlic tip ; joints of the fhifjft'lliini, cxci-jjt llie iirst, siiurt si
. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. AMALdl'lS. 20 0 loiiL'or than tlie second (Tab. II, fig. 14) ; spurs of the tilise rather long. Loiiu. corp. t>.4r)â0.,').'). Amalopis culear 0. , Proc. Ac. Nat. Sc. Phil. I&.'jO, p. 247. Frniit and vortex grayish; oi>istonia brownish f^ray ; palj)! vellow atth»,' basis, two hist joints int'uscatctl ; antenniu yi-llowisii, iiil''tl sit tlic tip ; joints of the fhifjft'lliini, cxci-jjt llie iirst, siiurt siilR-yHiKhMcal, with sliort verticils ; lincly imbcsccnt on tlio iiiidtr side. Tiiorax yellow; four reddish or brownish-red, often indistinct, stripes ; lialteres jiale ; coxie and liasis of tiio fenmra pale vcllow; feet yoliowish-lirown or brownisii-yellow, tip of tlie larsi darker; the spurs at tiic tip of the til)ia% and especially of tliu liiiid ones, are longer than usual in this species, divaricated. AliiioiiK'u yellowisli at tiio basis, more brownish towards tlu' lip. especially in the male. Wings liyaline, with a slight yellowish tinire; stigma pale; the distance between the sul)eostal cross-vein and tlie origin of tlie pra;l'iirca is al)out efpuil to tlie length of the fri'cat cross-vein; the second sulimarginal cell is shorter than the first ; tlie sectmd posterior cell is usually jietiolate ; discal cell generally closed (the venation is rej)resente(l, Tab. II, fig. 14). JIdh. Massachusetts; Upper Wisconsin Iliver; White Moun- tains, N. If., where .1 found it in aliuiidaiice in June. It seems to he a rather uorlhern species, as I never found it near Washington. 4. .4. liyperborea 0. S. %.âPusca, alls fusco-macnlatis ; vcnuhi suiifiiiuiiioiaiia tran><versa in cellula basali secundu ; cellula subniargi- iialis prima secunda loiigior. Brown, wings spotted with V)rown; a supernumerary cross-vein in the luitlille of tlie second basal cell; tlie first subniargin
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectd, booksubjectinsects
