in the Collection of W. W. Saunders, Esq. 281 



and with reddish hairs at the tip. Legs stout, with whitish hairs 

 and black bristles. Wings blackish ; veins black ; fore-fork of 

 the cubital vein slightly curved ; hind fork and first externo- 

 medial vein united on the border ; third externomedial vein 

 curved, joining the fourth rather far from the border. Halteres 

 pale testaceous. 



Length of the body 10 lines ; of the wings 18 lines. 



Mexico. 



Laphria componens. 



Man. — Nigra, capita albo, epistomate piano, mystace nigro, 

 autennarum articulo 3° fusiformi, thoracis vittis duabus an- 

 ticis pectoreque cinereis, abdomine cyanescente purpureo, 

 pilis lateralibus albidis, libiis anterioribus testaceis, tarsis 

 subtus et tarsis anterioribus basi testaceis, alis cinerascentibus, 

 halteribus albido-testaceis. 



Male. — Black : head with white tomentum ; vertex with two 

 long setae on the tubercle ; epistoma quite flat, with a few slight 

 white bristles ; proboscis short, lanceolate ; third joint of the 

 antennae fusiform, a little longer than the first and the second 

 together; thorax with two cinereous stripes in front; pectus 

 cinereous ; abdomen bluish-purple, with whitish hairs along each 

 side ; legs rather slender, with long slender bristles ; anterior 

 tibiae testaceous ; tarsi beneath and anterior tarsi at the base 

 testaceous ; wings greyish ; veins black ; halteres whitish tes- 

 taceous. 



Length of the body 3| lines; of the wings 7 lines. 



Mexico. 



Laphria ir'iUgala. 



Fcem. — Nigra, capite apud oculos argenteo, pilis subtus albidis, 

 mystace nigro, antennarum articulo 3° subfusiformi, pectore 

 cinereo, abdomine rufo, basi nigro, alis nigricantibus basi 

 sub-limpidis. 



Female. — Black, and with black hairs : head silvery about the 

 eyes, and with whitish hairs beneath ; face convex towards the 

 epistoma ; mysiax with several black bristles ; proboscis porrect ; 

 third joint of the antennae sub-fusiform, a little longer than the 

 first and the second together ; pectus cinereous ; abdomen red, 

 black at the base ; wings blackish, nearly colourless towards the 

 base ; veins black. 



Length of the body 3| lines; of the wings C| lines. 



Mexico. 



VOL. V. N. S. PART VII. — NOV. 1 8G0, U 



