. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 80 KIl' Vi' NOIITU AMKItICA, vein is miifli ln'oiider; tlie lliinl loiijAii'.liiiiil vein is miifli more uiiilnliitcil, mill lliu lust porliuii uf tin; i'oiirtli loii^'itiidiiiul win in slutrlcr tliun llio poslorior transverse vein, wlicroas it is u iiiilc lon^iT in ^V'/y*. xjinisu. Nuno of I he drops on tlie winjfs of lim». Sfxiisa is of II more coiisidcniltle sizo tliaii the otlicrs, wliireas Trill». iDtundlpvnnis lias such a drop Ijotween the third and fourth longitudinal veins, opposite to


. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 80 KIl' Vi' NOIITU AMKItICA, vein is miifli ln'oiider; tlie lliinl loiijAii'.liiiiil vein is miifli more uiiilnliitcil, mill lliu lust porliuii uf tin; i'oiirtli loii^'itiidiiiul win in slutrlcr tliun llio poslorior transverse vein, wlicroas it is u iiiilc lon^iT in ^V'/y*. xjinisu. Nuno of I he drops on tlie winjfs of lim». Sfxiisa is of II more coiisidcniltle sizo tliaii the otlicrs, wliireas Trill». iDtundlpvnnis lias such a drop Ijotween the third and fourth longitudinal veins, opposite to tliu l)U»c of the diseal cidl; tlio drops lire in Kt-'"i-'i'"l i'iirsit, they arc iiiiich more irregularly grouped in '/'rini. mtitiiih'; the äi/e and numlier of the drops diminishes u lillle from the liiise towards the apex in Tiiip. s/>iirs(i; their number only, not their si/e diminishes in 7'riii>. rulinn/ijn'iiiti's; their size increasing louiirds llie po>terior border in Trini. sjinrsa. this is not the case in '/'im». rotunilliniuih. In i'l'in*- sjxirsd the white crescent seaining the apex oi' the wing Is entire, in 7V//y,>(ilved into several spots. l''iiially, the anterior border of the wings of Triij). r(i/iniiir.'«i has no trace of them. J/ii/>. Middle tstutcs. (Ostcii-Saekcn.). 14. T. l-laf lirata J. (Tut). II, ilj,. 1,").)—Caiia, cajpil«' iiedi- luis'iut' llavis, fouioribus litunl nigui .sigmitis, iilis rare ivticulatis. i^tig- luati! atro ulbo-gattato, luoiliic iii(jilaoto, probosciile biovitur pciiiuulatil. 'ay; licad anil logs yellow; wings witli a diffiiso retiunlation, and till) lilack .stigma including a liniiiiil drop; oral liorder laodi'iatidy l>roloiigt'd, proltoscia shortly geuiculated. Long. corp. Long. al. Head yellowish; the lateral borders of the front, the face, and the much descending cheeks whitish. The Ijristlcs on the front black, on the sides of the ve


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Keywords: ., bookcentury1800, bookdecade1860, booksubjectd, booksubjectinsects