184 Mr. F. Walker on some vmdescribed Species of Chalcidic. 



filiformcs, scapo subtuB rufescente ; scuteUum bidentatum ; abdomen 

 ovatum, lineis tribus lateralibus argenteo-pubescentibus, apicom versus 

 striatum compressum, petiolo brevissimo; tarsi rufi; femora postiea 

 dentata ; ala? cinerea?. 



Female. Black, smooth, shining. Head and thorax scabrous. Head 

 short, with shining slightly silvery pubescence behind; face very ob- 

 lique. Antenna) filiform, stout, as long as the thorax ; scape reddish 

 beneath. ScuteUum armed with two short teeth. Abdomen much 

 longer than the thorax, ovate, except the apical third part, which is 

 stylate, compressed, truncate at the tip ; three lateral transverse lines 

 of silvery pubescence ; petiole very short. Tarsi red ; hind coxa? very 

 long; hind femora much incrassated, armed beneath with several small 

 teeth. Wings cinereous ; veins black. Fore wings with the cubitus 

 and the tip of the humerus clouded with black ; ulna stout, about half 

 the length of the humerus ; radius and cubitus equal in length, not 

 more than one-fourth of the length of the ulna. Length of the body 

 5 lines ; of the wings 7 lines. 



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



Chalcis actjleata. Fcem. Nigra, glabra, nitens ; caput et thorax rude 

 punctata; antennas subclavata?; thorax callis duobus llavis, scutello 

 inermi ; abdomen cinereo-pubescens, dimidio apicali compresso lanceo- 

 lato ; femora apice, tibiae tarsique flava ; femora postiea dentata ; 

 tibiae intermedia? subtus nigro uninotata?, postiea) subtus nigra? ; ala? 

 cinerea?, breviuscidae. 



Female. Black, smooth, shining. Head and thorax largely punc- 

 tured. Antenna) subclavate, conical at the tips, shorter than the 

 thorax. Thorax with a yellow callus at the base of each fore wing ; 

 scuteUum unarmed. Abdomen with cinereous pubescence except to- 

 wards the base, extending much beyond the fore wings, very much 

 longer than the thorax ; apical half compressed, attenuated and lanceo- 

 late. Tibia?, tarsi, and tips of femora yellow; middle tibia? with a 

 black mark beneath ; hind femora much incrassated, with several small 

 teeth beneath; hind tibia? black beneath. Wings cinereous, rather 

 short ; veins black ; ulna fidl half the length of the humerus, longer 

 than the radius ; cubitus not more than one-sixth of the length of the 

 ulna. Length of the body 4 lines ; of the wings 5 lines. 



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



Haltichella ERYTHitOTELrs. Fcem. Nigra, glabra, nitens ; caput 

 antice scabrum ; antenna? filiformes, apices versus rufa? ; thorax rude 

 punctatus, scutello bispinoso ; abdomen dimidio apicali rufo lan- 

 ceolato, petiolo brevi ; femora anteriora intus apices versus rufescentia, 

 postiea dentata ; ala? cinerea?, basi nigricantes. 



Female. Black, smooth, shining, slightly pubescent. Head flat and 

 scabrous in front. Antenna? filiform, a little longer than the thorax, 

 red for more than one-third of the length from the tips. Thorax 

 roughly punctured : scuteUum with two short spines. Abdomen not 



