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MODERN SYSTEM. 
Order XIII. HYMENOPTERA, 
Order HyMesjoptera. Linn., Latr., Lam., Cuv., J.eacfi. 
Class Piezata. Fabricius. 
Characters of the Order. 
Wings nervured (the areola; large and unequal in size), the inferior 
ones smaller than the upper : anus of the female with an oviduct. 
Section I. TEREBRAXTIA. 
Oviduct lamelliform or filiform ; in a few resembling a sting and valved i 
the vagina bivalve, received in a canal beneath, before the anus: 
the valves compressed, in some compressed-lamelliform, in others 
elongate-cylindric, setaceous. 
Division I . — Abdomen united to the thorax along its whole breadth, without 
uny distinct peduncle. 
Pam. I. Tenthredinidie. Leach. 
Tenthredtseta. Latreille. 
Abdomen sessile : oviduct composed of two lamellre which are serrated : 
mandibles more or less long, terminated by two strong teeth : wing 1 
with the marginal cells complete : labi um distinct. 
Larva, 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 die student to distinguish them without ex- 
amining the parts of the mouth.” 
Stirps 1 . — Antenna short and clavated; with the third joint very long 1 
superior wings with two marginal and three submarginal cells. 
Genus 400. CIMBEX. Oliv., Fair., Spinoli, Latr., Leach. TeN- 
thredo. Limit, Jurine, Fans., De Geer. Crabro. Geoffrey- 
Claveli.aria. Lamarck. 
Body slightly hairy : abdomen with the first articulation (of the ma! e 
especially) on the upper part emargiuated: the four posterior thigh 8 
of the male very thick, of die female simple; tarsi of the male with 
the last joint on die under part with a small horn or protuberance- 
Sp. 1. dm. europtea. Head and thorax black : abdomen blueish-black, 
the apex only yellow or ferruginous : antennre and tarsi yellow : f®" 
mora and tibiie blucish-black : wings brownish at the apex. 
Tenthredo femorata. Limit, Panzer. Ciinbex femorata. Fair., Latr . 
Crabro lunulatus. Fourc. Cimbex europaca. Leach. 
