CLASS V, INSECTA. 149 



** Anterior tibice notched on their interior side. 



Stirps 5. — Palj)i with their fourth joint conic acute. 



Genus 12. TRECIIUS. Clairv., Lafr., Bonel, Panz., Leach. 

 Wings complete : thorax narrower behind, the hinder margin straight, 

 tii3 angles subrounded (anterior and middle tarsi of the male with 

 the four first joints dilated). 

 This genus is very nearly allied to the insects of the next Stirps. 

 Sp. 1. Tr. mcridianns. Clairv., Leach. 

 Inhabits the roots of grass and gardens. 



Gen. 23. EPAPHIUS. LeacKs 2ISS. 

 Eyes moderately large : icings none : thorax narrower behind, with the 



posterior margin straight, the angles acute. {Anterior ta7'si of the 



male with ^vo dilated joints.) 

 Sp. 1. Epa. sccalis. 

 Carabus secalis. Payk. 

 Inhabits Europe : it is rare in Britain. 



Genus 24. AEPUS. LeacKs 2ISS. 

 Eyes very minute : zcings none : thorax subtriangulate, the posterior 



apex deeply truncate. 

 Sp. 1. Aep. fidvescens. Colour somewhat fulvescent; head and antennas 



slightly tinted with ferrugineous. 

 Inhabits the southern coast of Devon, and is found under stones at 



the mouths of the rivers Tamar and Yalm, 



Stirps 6. — Pa/])i with their fourth joint truncate, never conic. (Tarsi 

 anterior and inferniedialc of the male with four dilated joints.) 



Genus 25. HARPALUS. Xn/r., Bond., Leach, Panz. 

 Palpi with their fourth joint oval : thorax subquadrate transverse, with 



an impression on each side of its base : wings two. 

 Sp. 1. Har. rnjicornis. Latr., Leach. 

 Inhabits Europe. Is common, in Britain, under stones and in sandy 



situations. 



Stirps 7. — P«/^;i with their fourth joint never conic: zcings two: ti- 

 bia anterior, not palmate-dentated : mandibles short and simple : lip 

 with the tooth of its notch simple : tho^-ax as broad as the base of 

 the abdomen : Body broad convex : untcnnce linear : tarsi anterior of 

 the male with three dilated joints ; intermediate ones simple. 



Genus 26. ZABRUS. Claire, Bond., Panz., leach. 



Palpi with their fourth joint shorter than the third : labrum emargi- 

 nate : anterior tibia at their extremities with a triple spur: thorax 

 quadrate, with its base transversely subimpressed : body gibbous 

 oblong. 



Sp. 1. Zah. gibbus. 



