. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. rslLOl'LS. 9;i o.) T have no doulit tlwit this is the genuine ft-maK" of /'. <l{l'~ I'll US. Tlio siifciuicns of my collcflion show tliiit tim (liHt'ieiice in tlu! fxtfut of tht) liliick I'ohiriug on tiin loit; iiiiiritlu of tiic wings in both Sfxi's is not always so cousiiit'ialilo as tin- [lair in Wintheni's colii'ction sliows it. If tiiiMi, in aiconlanro witli llns Ion-going, tho easily locognizalilo male of /'. ilijiums is to he sliiikcii ont from tho list of North Ameiican sp
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. rslLOl'LS. 9;i o.) T have no doulit tlwit this is the genuine ft-maK" of /'. <l{l'~ I'll US. Tlio siifciuicns of my collcflion show tliiit tim (liHt'ieiice in tlu! fxtfut of tht) liliick I'ohiriug on tiin loit; iiiiiritlu of tiic wings in both Sfxi's is not always so cousiiit'ialilo as tin- [lair in Wintheni's colii'ction sliows it. If tiiiMi, in aiconlanro witli llns Ion-going, tho easily locognizalilo male of /'. ilijiums is to he sliiikcii ont from tho list of North Ameiican speeies, I will nevi'itheh'ss ill^e^t licie a more accui'ato description of this sjieeies, which has heen only insutli- cieiitly chaiacteii^etl by Wiedemann. P, difB'llsils WiEn. % and 9-âViridis, nitidissinius, nigri- cantilms alarum duabus, valde rum perlongis, halteribus nigris. ^. Luolius ullimis tarsorum interuK^diorum articulis postice caudido- pilosis, appendiuibus hypopygii , fuscis. 0 . Tibiis tarsisijue interuiediis piceis. Green, very shining; both blackish bands of the wings very ditliised, but united in front, abbreviateiis (i:j/'iisiis WiRO., Auss. Zweifl. II, 221, 17. Metallic-green, brij^lit, i^hiiiinu'. The lower part of the face, the posterior corne's of the tiiorux and the sculelluin (in one of tho males) steel-bluh The very nuich cxcuvated front Ix'set, he- sides til'' usiui! ?>; 'ck J)ristles, in tiie male with lon'('r, in the female with somowiat shorter and more sparse hairs, which are, on the mid(,!e of the front of a whitish, on the sides of a more l)lackish, in the male even of an ainnjst black color. The rather broad face is "â¢lal)rous and only very sparsely dusted, its lower part rather distinctly separated from the upper part and the latter rather Antennie black, rather siindl, the second joint with rather Ions; l)lack bristles ; the arista is of more than middlinir Icno'tli, aiul has a sidtapical position.
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
