16 NOTES ON CHALCIDI.E. 



the humerus ; cubitus hardly longer than the radius, about one-third 

 of the length of the ulna. Length of the body 1^ line. 



The longer antenna? distinguish it from I. Nepe. 



I. jEQUAXis. — Fccm. Nigra, gracilis, subtiliter punctata ; antenna? 

 subclavata?, breves; prothorax fulvo bimaculatus ; abdomen glabrum, 

 fusiibrme, thoraci a?quilonguin ; pedes nigri, genubus pallide testaceis, 

 tibiis anticis apice tarsisque quatuor posterioribus fulvis ; alae 

 diapbanae, piceo veuosa?. 



Female. Black, slender. Head and thorax finely punctured. 

 Head a little broader than the thorax. Antennae subclavate, about 

 half the length of the thorax ; third joint louger than the second, and 

 much longer than the fourth ; the latter and the three following 

 joints nearly equal in length ; club nearly thrice longer than the 

 seventh. Prothorax with two tawny humeral spots. Abdomen 

 fusiform, as long as the thorax. Kuees pale testaceous ; four 

 posterior tarsi and tips of the fore tibia? tawny. Wings pellucid; 

 veins piceous ; ulna more than half the length of the humerus ; 

 radius much shorter than the cubitus, which is about one-fourth of 

 the length of the ulna. Length of the body lj line. 



A little stouter than I. angustipenuis, and with broader fore 

 wings. 

 England. 



I. tibialis. — Fcem. Nigra, gracilis, subtilissime punctata; 

 antenna? clavata?, breves ; prothoracis macula? dux fulva?, maxima? ; 

 abdomen glabrum, sublanceolatum, subdepressum, thorace paullo 

 longius ; pedes nigri, femoribus apice tibiisque basi testaceis, tarsis 

 quatuor posterioribus fulvis ; ala? diaphana?, testaceo pallido venosa?. 



Female. Block, slender. Head and thorax very finely punctured. 

 Head very litt 1 I broader than the thorax. Antenna? clavate, some- 

 what longer than the breadth of the head ; fifth, sixth and seventh 

 joints transverse. Humeral spots of the prothorax tawny, very large, 

 each about one-third of the breadth of the prothorax. Abdomen 

 slightly lanceolate, rather fiat above, a little longer than the thorax. 

 Femora towards the tips and tibia? towards the base testaceous ; four 

 hinder tarsi tawny. Wings pellucid ; veins pale testaceous; ulna 

 less than half the length of the humerus ; cubitus longer than the 

 radius, about half the length of the ulna. Length of the body 

 1£ line. 



The fore wings are narrower than those of I. Laothoe, and the 

 abdomen is longer. 



England. 



