. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. DICHANOMYIA. <!;{ pnlo yollow; tips of llic tarsi (iiuiccr. Abtloint'ii iiifiisciitiMl al)i)Vo; forceps pale. Wings nearly hyaline; stiirina ellipliciil, pale; veins pale brownish; tij) of the anxiliary vein nearly (ipi»osite or a little l)efore tiie oriLrin of tiie pra'furea ; tiie siih- (Mistal cross-vein is separated from tiie tip of tli9, p. 212. Rostrum pale ochraceous, front brownish-gray, palpi infiisrated, aiiteniuc brown, pa
. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. DICHANOMYIA. <!;{ pnlo yollow; tips of llic tarsi (iiuiccr. Abtloint'ii iiifiisciitiMl al)i)Vo; forceps pale. Wings nearly hyaline; stiirina ellipliciil, pale; veins pale brownish; tij) of the anxiliary vein nearly (ipi»osite or a little l)efore tiie oriLrin of tiie pra'furea ; tiie siih- (Mistal cross-vein is separated from tiie tip of tli9, p. 212. Rostrum pale ochraceous, front brownish-gray, palpi infiisrated, aiiteniuc brown, pale at base. Thorax brownish ochraceous, with three distinct brown stripes; the intermediate one extends over the collare ; the lateral ones extend beyond the suture ; scntellnm and metathorax brownish in the nnddle ; mesosternnni with two large, round brown spots between the fore and middle coxa? and several smaller, indistinct spots; halteres pale at base; knob brown; fi-et brown, coxse and base of femora pale; tip of the latter brown. Abdomen brown, posterior margins of the scg- niciits and the genitals paler; falciform appendages of tlu; male forceps very large (Tab. Ill, fig. 4); they are very striking in the living inset, and when tlnsir points touch each other, they form a kind of arch or I)ridge over both lobes. (The name of the insect is derived from these sword-like appendages.) Winus nearly hyaline ; stigma elliptical, more or less infuscated ; vena- tion exactlv like that of D. 'â â â¢!^.« , â ' - (â¢â ' ⢠â â ':â¢-. m -i4 ' â i .â â â i ' i ,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Osten-Sacken, C. R. (Carl Robert), 1828-1906. Washington : The Institution
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectd, booksubjectinsects
