262 MODERN SYSTEM, 



Order XIII. HYMENOPTERA. 



Order HyjMenoptera, Linn., Latr., Lam., Cuv., Leach. 



Class PiEZATA. Fubricius. 



Characters of the Order. 



Wings nervured (the areolae large and unequal in size), the interior 

 ones smaller than the ui)per : anus of the female with an oviduct. 



Section I. TEREBRANTLi. 



Oviduct lamelllforni or filiform ; in a few resembling a sting and valved ; 

 the vagina bivalve, received in a canal beneath, before the anus : 

 the valves compressed, in some compressed-lamelliform, in others 

 clongate-cylindric, setaceous. 



Division I. — Abdomen united to the tkora.c along its tcliole breadth, zcitJiuut 

 any distinct peduncle. 



Fam. I. Tenthredinidje. Leach. 



Tentiiredinet.e. Latreille. 



Abdomen sessile : oviduct composed of two lamellfe which are serrated : 

 inandibks more or less long, terminated by two strong teeth : uiugs 

 with the marginal cells complete : lubrum distinct. 



Larv.e with membranaceous feet. 



In the third volume of the Zoological Miscellany Dr. Leach has 

 given an excellent essay on this very interesting family of insects. 

 " The object of which is to give the external character of the genera 

 of tliis family, to enable the student to distinguish them without ex- 

 amining the parts of the mouth." 



Stirps 1. — Antoma short and clavated; with the third joint very long: 

 superior wings with two marginal and three submarginal cells. 



^ Genus 400. CIMBEX Oliv., Fahr., Spinoli, Latr., Leach. Ten- 

 THREDO. Limit, Jurine, Panz., Dc Geer. Crabro. Geoffroi/. 

 Clavellaria. Lamarck. 



Bodi/ slightly hairy : abdomen with the first arliculation (of the male 

 especially) on the upper part emarginatcd: the four posterior thighs 

 of the male very thick, of the female simple ; tarsi of the male with 

 the last joint on the under part with a small horn or protuberance. 



Sp. 1. Cim. europaa. Head and thorax black : abdomen blueish-black ; 

 the apex only yellow or ferruginous: antenna^ and tarsi yellow: fe- 

 mora and tibiffi blueish-black : wings brownish at the apex. 



Tcnthrcdo femorata. Linnc, Panzer. Cimbex femorata. Fahr., Latr, 

 Crabro lunulatus. Fourc. Cimbex europsa. Leach. 



