of the Family Chalcidse. 183 



Female. Petiole shorter than that of the male. Abdomen elongate- 

 oval. Length of the body 3 lines ; of the wings 5 lines. 



Ega ; Tapayos. Discovered by Mr. Bates. In the British Museum. 



Chalcis compacta. Mas. Nigra, brevis, crassa, glabra, nitens ; caput 

 et thorax rude punctata ; antennae breves, robust* ; thorax flavo quadri- 

 punctatus ; scutellum bidentatum ; metathorax scaber ; petiolus brevis- 

 simus ; abdomen brevi-ellipticuni, gibbosum, lateribus apicem versus 

 cinereo-pubescentibus ; pedes flavi, coxis femoribusque nigris, his apice 

 flavis, tibiis anterioribus nigro strigatis, tibiis posticis basi intusque ni- 

 gris ; ahe obscui'e cinereae. 



3fale. Black, short, thick, smooth, shining. Head and thorax 

 roughly punctured. Antennae short, stout. Thorax with a yellow 

 callus at the base of each fore wing, and with a yellow dot on each 

 of the paraptera; scutellum bidentate; metathorax largely scabrous. 

 Petiole extremely short. Abdomen short, elliptical, somewhat gibbous, 

 much shorter and narrower than the thorax, with cinereous down on 

 each side towards the tip. Legs yellow ; coxae and femora black, the 

 latter with yellow tips ; hind femora much incrassated, with many very 

 minute teeth ; anterior tibiae with a black streak on each side ; hind 

 tibia? black at the base and on the inner side. Wings dark cinereous ; 

 veins black ; ulna less than half the length of the humerus ; radius 

 hardly one-third of the length of the ulna ; cubitus very short. Length 

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



Orizaba, Mexico. Discovered by M. Salle. In the British Museum. 



Chalcis vicaria. Mas. Nigra, glabra, nitens ; caput et thorax rude 

 punctata; antennae filiformes ; thorax callis duobus lateralibus flavis; 

 scutelliun inerme, apice cinereo-pubescens ; petiolus brevissimus ; 

 abdomen longi-ovatum, apicem versus utrinque cinereo-tomentosum ; 

 pedes flavi, coxis femoribusque nigris, his apice flavis, tibiis subtus 

 nigris ; alae cinereae. 



Male. Black, smooth, shining. Head and thorax roughly punctured. 

 Head deeply excavated in front for the reception of the scape of the 

 filiform antennae. Thorax with a yellow callus at the base of each 

 fore wing ; scutellum unarmed, with cinereous down at the tip. Petiole 

 extremely short. Abdomen elongate-oval, with cinereous down on 

 each side towards the tip, a little narrower but not longer than the 

 thorax. Legs yellow ; coxae and femora black, the latter with yellow 

 tips ; hind femora much incrassated, with many very minute teetli ; 

 tibiae mostly black beneath. Wings cinereous ; veins black ; ulna 

 about half the length of the humerus ; radius less than half the length 

 of the ulna ; cubitus very short. Length of the body 3^ lines ; of the 

 wings 7 lines. 



Ega. Discovered by Mr. Bates. In the British Museum. 



Chalcis stylata. Fam. Nigra, glabra, nitens ; caput et thorax scabra ; 

 caput breve, postice argenteo-pubescens, facie perobliqua ; antennae 



