262 MODERN SYSTEM, 



Order XII [. IIYMENOPTERA. 



Order Hymenoptera. Linn., Latr., Lam., Cuv., l.cuch. 



Class PiEZATA. Fabricins. 



Churuchrs of the Order-. 



Wings nervured (the areolas large and unequal in size), the inferior 

 ones smaller than the upper: anus of the female with an oviduct. 



Section I. TEREBRAXTIA. 



Ovidnct lamelliform or filiform ; in a few resemhlin^x a sting and valved ; 

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

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

 elongate-cylindric, setaceous. 



Division I. — Abdomen iniitcd to the thorax along its jchole breadth, without 



any distinct peduncle. 



Tarn. I. Tentiiuedimdje. Leach. 



Tenthredinet.e. Lutreille. 



Abdomen sessile : oviduct composed of two lamellae which arc serrated : 

 mandibles more or less long, terminated by two strong teeth : uings 

 with the marginal cells complete : lubruni distinct. 



Larv.£ 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 this family, to enable the student to distinguish them without ex- 

 amining the parts of the mouth." 



Stirps 1. — Antenna short and clavated ; with the third Joint very long : 

 superior uings with two marginal and three submarginal cells. 



Genus 400. CIMBEX Oliv., Fubr., Spinoli, Latr., Leach. Tex- 

 THREDO. Linnc, Jurinc, Punz., De Geer. Crabro. Gcoffroj/. 

 Claveixaria. Lamarck. 

 Body slightly hairy : abdomen with the first articulation (of the male 

 especially) on the upper part emarginated: 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 : alnlomen blueish-ljlack; 

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

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

 Tenthredo femorata. Linnc, Panzer. Cimbex femorata. Fubr., Latr. 

 Crabro lunulaLus. Fourc. Cimbex europaa. Leach. 



