. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. DirilAXuMVTA. 77 siili' ;it till' liasis ut' the last tarsal joint uf tho male is distinct, aliliiHig-h snuill. Tlic followinj? spocios from California is not incliuk'd in tlic dicliotoinieal table of pago (iO. rltt, n. Iliarinorata 0. y. %.—Cinerpo-fusra, tlmmfe vittis trilms t'u>cis ; iili^ ciiicrco-iiebulosis, stiginato 'i, I'lL-rco ; fumoriiiu aiiifilius iiifiiscatis. • <ii;iyishl)iown, thorax witli tliree brown s


. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. DirilAXuMVTA. 77 siili' ;it till' liasis ut' the last tarsal joint uf tho male is distinct, aliliiHig-h snuill. Tlic followinj? spocios from California is not incliuk'd in tlic dicliotoinieal table of pago (iO. rltt, n. Iliarinorata 0. y. %.—Cinerpo-fusra, tlmmfe vittis trilms t'u>cis ; iili^ ciiicrco-iiebulosis, stiginato 'i, I'lL-rco ; fumoriiiu aiiifilius iiifiiscatis. • <ii;iyishl)iown, thorax witli tliree brown stripes; winu's clouiled witli ciiiiMcoiis ; Mtiguui h, tips of femora, of the tibia;, and of tlio tarsi l)rown ; \vin^-s sulx-inereous with some darker clouds and some hyaline bands and spots; a cloud at the origin of the prit'- I'urea, another, round one, at its tip; cross-veins also clouded; stigma obscure-cinereous, elongated, quadrangular; the hyalino spots are arranged in tin; following way : a snmll, rounded ono in the anal angle ; a band running across tho basal portion of the two basal and the anal cells, and ending in the si)urious cell near the posterior margin ; a spot near the tip of the seventh longitudinal vein ; a large irregular hyaline space in tho central portion of the wing, inclosing the stigma and the two clouds of the pra^furca, and extending more or less towards the posterior margin, across the discal and the posterior cells; its outline is very indefinite, and it is interrupted by clouded marks along the veins; a small iiyaline mark at the tip of the wing, in the submarginal cell. The tip of tho auxiliary vein almost corresponds to the origin of the ]>ncfurca ; the snlicostal cross-vein is a short distance before its tip; the discal cell is present (closed), and the great cross-veiu corresijonds to its base. Hah. California; two male specimens (Mr. A. Agassiz). This species is related to D. humidicola 0. Please note that these images are extr


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Keywords: ., bookcentury1800, bookdecade1860, booksubjectd, booksubjectinsects