CLASS V. INSECTA. 271 



meter : inferior wings without distinct iicrvurcs : boilj/ not contractile 

 into a ball : abdomen compressed or depressed : oviduct tiliform : 

 pa/pi very short : antcnn<t broken, clavate, or gradually thicker ex- 

 ternally, trom six to twelve-jointed: hinder Jeet ioxmcd. for leap- 



Stirps 1. — Hinder tihitc arcuated. 



Genus 43i. CHALCIS. Fabr., 0/iv., Pdnz., Jurine, Illig., Latr., 

 Leach. Sphex. Linnt. Vespa. lAnne. 



Abdomen ovoid-triangular, not sessile, terminated by a point: superior 

 uings not folded, with the marginal and submarginal cells none, or 

 obliterated: nuixiUary palpi, with the last joint but one shorter than 

 tlie one before it. 



Sp. 1. dial, clavipcx. {PI. 8. fig. 6.) 



Inhabits Europe. Is found on aquatic plants in Battersea fields in the 

 month of June. 



Stirps Q. — Hinder tibiec straight. 



Genus 435. CYNIPS. Geof, Sclucf., Fahr., Oliv., Walck., Latr., 

 Iracli. IcHNEUMox. Linnc. 

 Antcnnde \\i\\\ cvlindric joints : abdomen compressed; oviduct exscrted. 

 Sp. 1. Cj/«. capnea. 

 Inhabits ? 



Fam. VTII. Ciirysidid.e. Leach. 



Chuysidides. Lafreilte. 



Abdomen attached to the metathorax by a portion only of its trans- 

 verse diameter : inferior wings without distinct nervures : bodi/ not 

 contractile into a ball. 



Stirps 1. — Abdomen semicylindric or semicircular, with five segments 

 in tlic male, and four in the female : thorax attenuated in front, di- 

 vided transversely by foin- segments. 



Genus 436. CLEPTES. Latr., Fabr., Fanz., Jurine, Illiger, Spi- 

 noli. Leach. Sphex. Linnc, Vill. Chrysis. Oliv. Vespa. 

 Geoff". Ichneumon. Rossi, Walck. 



Sp. 1. Cle. semi-aurata. Fabr., Latr. 

 Inhaljits sand-banks. 



Stirps '2. — Abdomen semicylindric, truncated or roimded behind, often 

 dentated, composed of three, sometimes of four joints : thorax sc- 

 micylindric, divided l>y three transverse sutures : metathorax with 

 the middle not eloniralcd into a scutellum. 



