MEXICAN MTJSCIDAE. 187 



spots on the following segments , antennae , and legs , black ; apical 

 cell closed nearly at the wings margin. — Length 3,5 mm. 



Cistogaster propinqua n. sp. 5. — Head whitish; frontal 

 band black; antennae partly rufous; palpi rufous; thorax grey with 1 



black stripes; abdomen yellowish-rufous with brown markings ; legs 

 black ; apical cell closed nearly at the wings margin. — Length 6 mm 



Cistogaster griseonigra n. sp. ?. — Grey; head whitish; 

 frontal band , thoracic dorsum , some portions of the abdomen , V 

 antennae \ except the rufous base of the third joint), and legs, 

 black; palpi rufous. — Length 4,5-6 mm. 



Cistogaster ferruginosa n. sp. $. — Head, thorax and 

 scutellum ochraceous; abdomen rufous; frontal band, antennae 

 (except the rufous base of the third joint), and legs, black; palpi 

 rufous. — Length 5 — 6,5 mm. 



Cistogaster variegata n. sp. $. — Head ochraceous ; thorax 

 and scutellum yellowish-grey , thoracic dorsum with four brown 

 stripes; abdomen rufous with black markings; frontal band, antennae, 

 and legs , black ; palpi rufous. — Length 4 mm. 



OCYPTERINAE. 



Ocyptera signatipennis n. sp. $. — Head whitish ; thorax 

 and scutellum blackish; abdomen rufous, with a black dorsal band 

 and white incisions; antennae and legs black, the tibiae dark 

 rufous; wings brownish on the costa and some of the veins bor- 

 dered with brown. — Length 11 mm. 



1 



Cistogaster hirticollis n. sp. <?. — Head ochraceous; 

 thorax and scutellum brownish, densely pilose; abdomen rufous \J 

 with a black dorsal tripe; frontal band, antennae, and legs, 

 black; palpi rufous. — Length 5,5 mm. 



9 



