. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. W0' iJli MIS. 'r;;i'^' ,-:|E;, K ; (Hp! â , '-ur' £' â »-l;f: 1 1 n; ^ ⢠'i; .11 : 192 rtll'TKIlA (IF NdKTII AMKIUCA. [I'AHT H. gniall bristle, ^vlli(â¢ll is on tlicir upjicr side, not far from tlie root ; tlic iniddli! tibiii; have; only a few bristles ; llio liind tibiiu have a larprer nniuber of l>ristles, but they arc mostly very sht;rt; in the male there is oik; bristle on the nnder side, not far from the l)asis, \vhieh is rennirkaltle for its lenj^th. Tiie fore tarsi have l';the lenji't
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. W0' iJli MIS. 'r;;i'^' ,-:|E;, K ; (Hp! â , '-ur' £' â »-l;f: 1 1 n; ^ ⢠'i; .11 : 192 rtll'TKIlA (IF NdKTII AMKIUCA. [I'AHT H. gniall bristle, ^vlli(â¢ll is on tlicir upjicr side, not far from tlie root ; tlic iniddli! tibiii; have; only a few bristles ; llio liind tibiiu have a larprer nniuber of l>ristles, but they arc mostly very sht;rt; in the male there is oik; bristle on the nnder side, not far from the l)asis, \vhieh is rennirkaltle for its lenj^th. Tiie fore tarsi have l';the lenji'th of the tibia'; in the nnile the lirst joint is very iiineh shortened and not as lon<!j as the list one, the seeond is as lonjr as the three followinjr toti-ether, and usually a little l)laekened on the cxtretiie tij), the three last ones are l)laek and very little decreasinfr in leiiji'th ; the last one with somewhat shorter hairs than the two jjreecdinu-; in the fenuile the fore tarsi are frradually of a darker blaek-brownish eolor towards the tij), and their j<jints are (jf a de- creasinsr leiiuMh, the first somewhat lonj^er than th ⢠two followin^^ ))ut not (|uite so long as the threj f<jllowing' tofrether. The mid- dle tarsi of the nnile but little exeeed the tibiiu in lenjrtli; their lirst joint is of a plain structure, but almost 1 i the length of the other joints and blaekened at its til); th.' last four joints arc l)laek ; the seeond is as long as the last three together, gradually enlargee second at least as long as the third and fourth together, llal- teres yellowish. Teguhe with a narrow black margin ; their cilia appear yellowish in a reflected light, seen towards the light, however, blackish, in the female even often Idack. Wings grayish hyaline, in the male with the posterior margin somewhat wavy, and towards the basis much more pointed than in the female; the fourth longi- tudinal vein is parallel to the third and ends precisely at the t
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
