272 CHARLES W. JOHNSON. 



Tliis may possibly be the species referred to 0. vetiebrata Say, by 

 Bellardi. I doubt if Bellardi and Say luid tlie same species. 



Doubtful (I lid Undetermined Species. 



Odoiitoiiiyia L<efel»vrei Macquart. 



()<(<)iit<)i)ii/iii Lefebvrei Macquart, Dipt. Exot. i, 1, 189. 



Odontomyia Lefehvrei Bellardi, Sagfrio, etc., i, 33. 



Stratiomys Lefebvrei Walker, List, etc.. v, 40, et 311. 

 Face vert, un peu crenee A petits spoils blance ; antennes; les deux premiers 

 articles verdatres, troisieme noir, a premiere division jaunatre. et les suivantes 

 egalement jaunatres-en-dessous sculement. Thorax noir, a polls jaunatres; cotes 

 et poitrine verts, -A, polls Wanes ; 6cHsson vert a base noire pointes vertes. a ex- 

 tremite noire. Abdomen vert a large bande dorsal noire legerement crenelee a 

 chaque segment; un point noir de chaque cote des troisieme et quatrieme, au 

 bord anterieur; ventre vert. Pied vert; cuisses anterieures A extremite noir; 

 intermediaires et posterieures egalement terminees de noir en-dessus sculement; 

 jambes d'un vert jaunatre, a moitis posterieure noire ; targes noirs; premier ar- 

 ticle des posterieurs a base jaunatre. Balanciers vert ailes claires, a bord exte- 

 rieur jaunatre cinq cellules posterieures (Macquart). 



Mexico ?. 5n. 



'Ji .— Green and black. Head thick. Thorax broad ; eyes naked, contiguous at the 

 base of the front ; above minute and below very minutely reticulated ; behind black, 

 margined with green ; occiput green, maculate ; front small, triangular, black, 

 pile yellow: ocelli greenish, first and second joints of the autennte yellow, third 

 black ; face prominent, carinate, green : pile silvery, palpi yellow : proboscis yel- 

 low, apex black. Thorax subrotundate, slightly convex, shining, black : pile 

 dense, yellow, a small broad green spot extends from near the base of the wings 

 to that of the scutellum; pleurge and pectus green, pile white, scutellum green, 

 base lilack, halteres green, base yellow. Abdomen subquadrate, depressed, green; 

 all the segments with a dorsal stripe, stripe broad, black ; sides subregular ; ante- 

 rior margins of .segments subdentate, lateral margin of the abdomen with black 

 dots ; dots either four, two, or wanting: venter convex, green, pile silvery. Legs 

 greenish yellow ; u])iM>rside of the apex of the femora marked with black ; tibise 

 at the apex t)roadly black : tarsi black, base of the first joint reddish. Wings 

 longer than the abdomen, hyaline, anterior margin yellow. 



9.— Front broad, above black, with obsolete green dots, below green: eyes 

 small, naked, vei-y minutely reticulated, posterior margin thick, green ; occiput 

 green, with two black stripes; i)ubescence on the thorax thin, a broad lateral 

 margin from the humeri to the scutellum green ; scutellum totally green. Ab- 

 domen broad, black, maculated with green, first segment scarcely maculated near 

 the margins; lateral margin of the second broadly maculated, the anterior and 

 posterior margins of the macula produced, falcated towards the dorsal line ; lateral 

 margin of the third and fourth subrotundate, lateral and posterior margins con- 

 tiguous, and divided at the highest ]iart of the segment ; fifth segment immacu- 

 late, posterior with a transverse band of green (Bellardi). 



Length % 15 mm.; wings 24 mm. 9 Kimm. ; wings 28 mm. 



Mexico (Craveri, TriKpii) ; Orizaba, Toluca (de Saussure), 



