NORTH AMERICAN DIPTEpA. . 277 



Odoiitoinyin iiiacniirroiis Walker. 



Odontomi/in mdcnlifrmis Walker, List, etc., iii, 536. 



"Niger, eapite viridi, nigro maculate, thorace pectoreqtie flavo-marg;inacis, scu- 

 tello viridi dentibus diiabus flavis armato, abdoniiiie flavo, di.sc nigro, autennis 

 fulvis apice piceis, pedibus flavis, fenioribus nigro fasciatus, alis limpidis." 



"Head apple-green, full as broad as the chest, smooth, shining, adorned with 

 five pairs of black marks: first pair forming a short band on each side of the 

 eyelets; second pair forming more slender curved bands; third and fifth pairs 

 forming four dots : fourth pair forming two larger spots ; eyes and eyelets piceous, 

 the former with a band across the middle ; mouth black, feelers piceous, longer 

 than the head ; first and second .joints tawny, long ; first joint shining, third and 

 following joints short ; chest black, clothed with tawny hairs, adorned on each 

 side with a yellow stripe, which is narrow in front ; breast black, sides yellow ; 

 scutellum apple-green, armed with two short, pale yellow teeth. Abdomen yel- 

 low, nearly as broad as long, wider, but not longer than the chest ; yellow, clothed 

 with long, pale yellow hairs: disc black ahove, especially on the part. Legs yel- 

 low, hips black, a black band on each thigh. Wings colorless ; wing-ribs, veins 

 and poisers yellow. Length of the body 2i lines, of the wings 4 lines" (Walker) 



Honduras (Walker). 



Odoiitoinyia caiiaileiisi!<i Walker. 



strntioint/s canadensis Walk., List, etc., v, 310. 



"Nigra. Abdomen viride, vitta dorsali nigra, basi dilatata, lateribus angulatis. 

 postice rotundata, apicem fere attingente ; pedes testacei ; alae limpidie, ad costam 

 subtestai e£e, venis pallides; halteres testacei, apice pomacei." 



" Nearly allied to >^. paroit male. — Black, probo.scis and antennfe black. Thorax 

 clothed with pale hairs; scutellum black, with two black spines. Abdomen 

 green, with a black dorsal stripe, which extends nearly to the hind border; this 

 stripe occupies nearly the whole breadth of the fi]"st segment ; on the second it 

 decreases in breadth from the fore to the hind border; on the third and on the 

 fourth it has nearly parallel sides, but is broader on the fourth than on the third ; 

 on the fifth it is nearly semicircular. Legs testaceous. Wings limpid, with a 

 testaceous tinge along the costa, veins white, testaceous towards the costa ; halteres 

 testaceous, with apple-green knobs. Length of the body 3i lines, of the wings 7 

 lines" (W^ilkcr). 



I should refer this species to 0. virgo if it were not for " antennte 

 black" and the saitellum "armed with two black spines." 



TRANS. AM. ENT. SOC. XXII. JULY, 1895. 



