184 Mr. F. Walker on some undescrihed Species of Chalcidso. 



filiformes, scapo subtus rufescente ; scutellum bidentatuni ; abdomen 

 ovatum, lineis tribus lateralibus argenteo-pubesceiitibus, apiceni versus 

 stylatum compressum, petiolo brevissimo ; tarsi rufi ; femora postica 

 dentata ; alse cinerete. 



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

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

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

 beneath. Scutellum 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 veiy short. Tarsi red ; hind coxse very 

 long ; hind femora much incrassated, armed beneath -wdth 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 aculeata. Fcem. Nigra, glabra, nitens ; caput et thorax rude 

 punctata ; antennoe subclavatae ; thorax callis duobus fla\'is, scutello 

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

 late ; femora apice, tibiae tarsique flava ; femora postica dentata ; 

 tibiae intei-medise subtus nigro uninotatos, posticse subtus nigrse ; alee 

 cinereae, breviusculae. 



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

 tured. Antennae subclavate, conical at the tips, shorter than the 

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

 scutellum unanned. 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. Tibiae, tarsi, and tips of femora yellow; middle tibiae with a 

 black mark beneath ; hind femora much incrassated, T\dth several small 

 teeth beneath; hind tibiae black beneath. Wings cinereous, rather 

 short; veins black; ulna full 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 bj^ Mr. Bates. In the British Museum. 



Haltichella erythrotell^s. Foem. Nigra, glabra, nitens ; caput 

 antice scabrum ; antennae filifonnes, apices versus rufae ; thorax rude 

 punctatus, scutello bispinoso ; abdomen dimidio apicali rufo lan- 

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

 postica dentata ; alae cinereae, basi nigricantes. 



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

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

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

 roughly punctured ; scutellum with two short spines. Abdomen not 



