272 MODF.RN SYSTEM. 



Subdivision 1. — Mctathorav with the mkhlic produced into a acutcUum. 

 * Abdomen with the second segment lari^er than lite others : palpi 

 vuini/-Jointed. 



Genus 437. ELAMPUS. Spinoli, Lafr., Leach. Ciirysis. Fabr., 

 Jininc. Ilr.DvciiRT'M. Pauz., Lcpcletier. 

 Mandib/cs dentnXed : abdo/nen terminated by an obtuse point; the se- 

 cond segment larger than the otliers. 

 Sp. 1. El. Fanzcri. 



Elampus Panzcri. Spinoli. Chrysis Panzeri. Fubr. 

 Inhabits walls. Taken at Exeter by Dr. Leach. 



Subdivision 2. — Metathorux zoUh the middle not elongated into a scu- 

 tellum. 



** Abdomen zcitli the third or fourth segment larger than the others : 

 palpi trvo-joiiitcd (and very small). 



Genus 438. CHRYSIS of authors. Vesp.\. Geojf. 

 Mandibles with one tooth on their internal edges: abdomen scmicylin- 



dric, elongate; the last segment aliruplly divided by an imj>ression, 



with a transverse row of impressed dots. 

 Sp. 1. Chr. ig)uta. {Fl. 8. fig. 7.) 

 Inhabits sand-banks, posts, and walls. We have several species in this 



country that have been confounded with Chr. ignitu, ^c. 



Genus 430. IIEDYCIIRUM. JMtr., Funz., Spin. Chiiysis, 

 Linn., Fftbr., lllig., Lamarck. 

 Mandibles bidcntate on their internal c<lge : abdomen scmicircidar, with 



the extremity rounded ; all the segments united. 

 Sp. 1. Hed. uurulum. 



Chrysis aurata. Fabr. Iledychrum auratum. Leach. 

 Inhabits sand-banks. 



Section IT. ACULEATA. 



Oviduct none : sting or aculcus in the females having a commimica- 

 tion with poisonous glands : abdomen attached to the thorax in all by 

 a part only of its transverse diameter. 



Division I. — Hinder feet not ■pollinigerons; their tarsi zcitli the first joint 

 ci/lindric, not much larger tliun tlic others, nor much compressed. 



Lakv.i, omnivorous. 



Subdivision 1. — Ocelli or stemmuta not distinct. Wings often zcantiug in 



the females and neuters. 



Fam. IX. FoKMicADx. Leach. 

 FoRMiCART,^. Latreillc. 

 Abdomen with a peduncle abruj)tly formed; w illi a scale on two knots : 



