48 



ADEPHAGA. 



[Harpalus. 



i. Metathoiacic episterna narrow and elongate ; 

 colour black or bluish black. 



1. Length 7-8 mm. ; basal depressions of thorax 



very strong, space between almost smooth . , H. CONSENTANETJS, JDej. 



2. Length lU-llmm.; basal depressions of thorax 



shallow, the whole base more or less punctured H. TENEBROStrs, DeJ. 

 ii. Metathoracic episterna broad and not elongate. 



1. Base of thorax densely punctured or rugose 



throughout. 



A. Apex of seventh interstice of elytra with a 



row of 5-9 pores H. etjbeipes, Dufi. 



B. Apex of seventh interstice of elytra without 



pores. 



a. Upper side metallic green or bronze (often 



dull, almost black, in female), 

 a*. Posterior angles right angles ; length 



9 nun H. discoideus, F. 



b*. Posterior angles blunt ; length 12 mm. H. cupjbeus, Df/. 



b. Upper side black, base of thorax lighter 



or darker blue H. caspius, Stev. 



c. Upper side black in both sexes. 



a*. Thorax with extreme margins light ; 

 elytra without large punctures or pores 

 on third interstice H. LATXJS, L. 



b*. Thorax entirely black ; elytrawith two 



or three pores on third interstice . . H. qtjadeipunctatuSj Dej. 



2. Base of thorax smooth or almost smooth, with 



basal depressions very shallow, sometimes 

 hardly indicated, sometimes obscurely rugose 

 and punctured. 



A. Apex of 8th interstice of elytra with a 



series of pores; elytra produced at apex . H. MELANCHOLICUS, Dej. 



B. Apex of 8th interstice of elytra without a 



series of pores ; elytra not produced at 

 apex. 



a. Thorax not contracted from middle to 



base, 

 a*. Form rather depressed ; elytra behind 

 middle not or hardly broader than 

 base of thorax, 

 af. Legs black with tarsi red; thorax 



nearly as broad in front as behind H. TABDUS, Panz. 

 bf. Tibite, tarsi, and femora unicolorous ; 

 thorax much narrower in front 

 than behind, 

 aj. Colour dark brown red or pitchy, 

 margins of thorax broadly reddish ; 



antennic and legs red H. SERTUS, Duft. 



bj. Colour black ; antennaj pitchy 



with lighter base, legs black . . H. ANXirs, Buft. 

 b*. Form very convex ; elytra behind 

 middle much broader than base of 

 thorax H. seekipes, Schon. 



b. Thorax feebly but perceptibly contracted 



from middle to base ; colour very vari- 

 able, sometimes black, sometimes bright 

 blue or greenish, metallic H. ignavus, Duft. 



