. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. mw tSM 128 lill'Ti;i(A (IF NullTH AMi;illCA. [i'AUT upnii llio first lialf of tlic uiipcr sido rather stnjiifr 1)ristl('H. IliiiA til)iiu at tlio root and almost upon tlio wliolo sccoml half black, otherwise l)rownish-yello\v and not inerassated. Fore tarsi yellow, soniewliut inl'nscuted towards their end, of jjlain strneture, only the lirst joint upon the under side jjrovided with a few bristles. Middle tarsi brownish-yellow at the basis, further brownish-black ; the lii'st joint has upon the
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. mw tSM 128 lill'Ti;i(A (IF NullTH AMi;illCA. [i'AUT upnii llio first lialf of tlic uiipcr sido rather stnjiifr 1)ristl('H. IliiiA til)iiu at tlio root and almost upon tlio wliolo sccoml half black, otherwise l)rownish-yello\v and not inerassated. Fore tarsi yellow, soniewliut inl'nscuted towards their end, of jjlain strneture, only the lirst joint upon the under side jjrovided with a few bristles. Middle tarsi brownish-yellow at the basis, further brownish-black ; the lii'st joint has upon the lirst half of Its underside rather numer- ous black bristles. ]lind tarsi black, ])lain. Cilia of the teguhu l)lack. Winti's hyaline, only a little tinj:;ed with jii'ay. Jldh. 8itka. (Sahll)er<i\) Ohxerratioii.âOf this and of the next followiiifr s|)ecies, as also of Anji/ra ci/linilrioi, I jjossess only sin<ile specimens, danni<?ed by mould, which crumbled to jdeees in the attempt of cleaninjj,'; however, as these three interestinj^ species come from a country which is so little explored witii regard to Dipterolotry, and as the important specific characters could b(! determined, 1 did not hesi- tate to describe them. 1 must, however, reipiest not to attach more weight to my statements about color, dill'usictn of the white toinentum upon ul)domen and thorax, and about the appendages of the hypopygium, than the circumstances should warrant. 3. A. albiventris, n. sp. %.âViridis, niteiis, nlKlominc alliomi- caiitu, tVontc ut facie iiiuris, albiilo-polliiiosis, pi'ilitius nigiis, tihiis oni- iiibus tiitis tarsoruii»4Ue aiitii-orum basi lhivicantil) (Jioen, .^hilling, abdomen wliite, glittoring: front and face blackish, bat with dust; the whoh) tibiae and tlie root of tlie fore tarsi yel- lowisli. Long. Corp. â Long. al. Metallic-green. Front and face ajtjiear. when looked upon in most directions, almost whitish-gray on account of the
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
