274 CHARLES W. JOHNSON. 



Odoiitoiiij'ia aftinis Bellardi. 



OduuU) III Ilia (iffiiiis Bell., Saggio. etc., i, 3o ; tab. i, 12. 



9 . — Black and yellow. Head broad, front liroadly black above, below yellow, 

 with two black, arcuate stripes. Antennae black, second joint yellow ; face promi- 

 nent, carinate, yellow: pile white, obsolete; palpi yellow, apex brown, proboscis 

 towards the extremity black ; eyes small, bare ; posterior margin broadly yellow ; 

 occiput yellow, binotated with chestnut. Thorax lilack, yellow tomentura, po.s- 

 terior marked with green ; pleurse and pectus greenish yellow, i)ile yellow ; scu- 

 telhim totally green, spines yellow, halteres green, base yellow. Abdomen rather 

 long, depressed, with a broad, continuous, medial, black stripe; margins subpar- 

 allel, anterior angles of the third and fourth segments with a lateral black dot; 

 venter yellow, immaculate, bare. Legs yellow; femora, tibise and first joint of 

 the tarsi yellow; apex of the tibise and first joint of the tarsi and all of the other 

 joints of the tarsi, black. Wings hyaline, anterior margin brownish (Bellardi). 

 L(Migth 1.3 mm. ; wings 23 mm. 



Puehla, Mexico (de Saussure). Collet'tion of de 8aussiire. 



Odoiitoin.yia tlissiinili^ Bellardi. 



Diltiiitiiiiit/iii (Ussiiiiilis Bell., Saggio, etc., i. 35 ; tab. i, figs. 13, 14. 



% . — Black, maculated with yellow. Head small ; eyes naked and contiguous at 

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

 occiput black : ocelli pale. Antennse short, black ; face scarcely prominent, cari- 

 nate, black yellow pile ; epistoma maculate with yellow near the sides. Thorax 

 slightly convex, black, immaculate, yellow pile ; pleurse and pectus black, golden- 

 yellow pile ; scutellum black, margined with yellow ; halteres light yellow, base 

 brown. Abdomen elongate, depressed, light yellow, with dorsal stripe, stripe 

 black, irregular, first segment totally black; markings on the second and third 

 segments broad, posteriorly attenuate; fourth subquadrate; fifth subtrapezoidal ; 

 venter yellow, base w'itli two black spots. lA'gs black and yellow ; base of the 

 femora broadly black, apex yellow: tibite yellow, apex brown; tarsi blackish, 

 base of the first joint yellow. Wings hyaline, near the anterior margin scarcely 

 yellow. 



9. — Fiont broad, yellow, with three black, transverse stri])es, first on the ver- 

 tex, third at the base of the antenna} and towards the face acutely dentate, second 

 intermediate, arcuated in the middle: posterior margin of the eye light yellow; 

 l)ubescence on the thorax very short, golden, marked with yellow on the posterior 

 margin between the base of the wings and scutellum ; pleurse light yellow, pectus 

 black. Abdomen black, laters-.l and ])osterior margins of the segments yellow, 

 base of the anterior femora narrowly black. ]H>sterior brown, scarcely marked 

 with black (Bellardi). 



Length 11 mm.; wings IS mm. 



City of Mexico (Truqui). Collection Bellardi. 



Odoiifoinyia <|iia<li'iniaciilata Bellardi. 



Odoiitoiiii/)(i qiiiiilriiiiaciilntu Bell., Saggio, etc., i, 37, tab. i. 15. 



% .—Black, with reddish yellow marking and yellow jiile. Head small, eyes 



pubescent and contiguous near the base of the front: front small, ocelli pale. 



Antenna- short, black; face i)rominent, ld;u-k, shining, pile yellow; proboscis 



black. Thorax, pleura-, jiectus and scutcllinn black, ink- yellow; sjdnes of the 



