CLA.SS V. IXSF.CTA. 271 



meter : inftrior wings without dibtinct nervures : Imh/ not contractile 

 into a bull: ubdunicn compressed or depressed: oviJuct iiliform: 

 palpi very short : antcnn<£ broken, clavate, or gradually thicker ex- 

 ternally, lioni six to twelvc-jointcd : hinder Ject i'oxnxtiCk tor leap- 

 ing. 



Stirps 1. — Hinder tibia: arcuated. 



Genus 431. CHALCTS. Fair., Oliv., Panz., Jurinc, I/llg., Latr., 

 Leach. Spiiex. Limit. V^espa. Linn'c. 

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

 u-inps not folded, with the marginal and subinarginal cells none, or 

 obliterated: maxi/lurj/ palpi, with the last joint but one shorter than 

 the one before it. 

 Sp. 1. Chul. cluvipes. {PI. 8. Jig. 6.) 



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

 month of June. 



Stirps 2. — Hinder tibi'j straight. 



Genus 435. CYMPS. Geof., Schaff., Fabr., Oliv., Wakk., Lafr., 

 Lea£h. Ichneumon". Linni. 



>ln^(^ri7j(!E wiih cylindric joints : aWo/nen compressed ; oviduct exserted. 

 Sp. 1. Cijn. caprcEu. 

 Inhabits .' 



Fam, VIII. C!iRY5iDrD.E. I^uch. 

 Chuysidides. LatreiUe. 



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

 verse diameter : inferior winga without distinct nervures : body not 

 contractile into a ball. 



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

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

 vided transversely by four segments. 



Genus 436. CLEPTES. Latr., Fabr., Panz., Jurine, lUiger, Spi- 

 noli. Leach. Sphex. Linnc, Vill. Ciirysis. Oliv. X'espa. 

 Geoff. Ichneumon. Rossi, Wakk. 

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

 Inhabits sand-banks. 



Stirps 2. — Abdonteu semicylindric, truncated or rounded behind, often 

 dentated, composed of three, sometimes of four joints: thorax i^e- 

 micylindric, divided by three transverse sutures : metathorax with 

 the middle not elongated into a scutellum. 



