138 I'ALPICOKNIA— IIYDKOPIIILIDAE. 



Elongate. Upper-side greenish or purplisli-hronze, 

 strongly punctured. L. 11 1. Eatlier common. 



H. anynstatus, Germ. 



Ochtliebfus. 



A, Elytra with strong punctured striae. 



a. Thorax without transverse furrows prolonged to 

 lateral margin. 



I, Thorax unicolorous. 



1, Elytra short and broad. 



Broad ovate. Upper-side bronze-brown or coppery- 

 brown, rather shiny ; thorax of male black, with bronze 

 side margins, of female entirely bronze. Vertex of head 

 M'ith two connected depressions ; thorax almost heart- 

 shaped, in male with a basal depression on each side, in 

 female with four depressions placed in a square on disc, 

 besides the central and lateral furrows ; elytra with strong 

 punctured striae, fii'th and seventh interstices raised. L. 1 1. 

 liather common. 0. exscutptits, Germ. 



2» Elytra ol)l(jng. 



A A, Thorax dull. 



a a. Legs unicolorous brownish-red ; palpi 

 brown-red, with last joint darker. 



Ovate. Head and thorax bronze ; elytra yellow-brown, 

 with or without metallic reflection ; legs rust-yellow. 

 Tliorax with a short central furrow, bounded l)efore and 

 lieliind by a transverse line, also with a short impressed 

 line on each side at base and a small raised longitudinal 

 fold on each side at apex. L. 4 1. Moderately connnon. 



0. mar(jij)allcns, Latr. 



h h. Legs brown, knees, tarsi and palpi 

 blackish. 



Elongate-ovate, slightly convex, dull. Dark lironze- 

 brown ; legs brown, knees, tarsi and ])alpi Ijlackish. 

 Thorax nearly transverse, strongly dilated in front, strongly 

 and closely ])unctured, with a central furrcnv, four depres- 

 sions on disc and lateral furroM^s ; elytra shiny, with 

 strongly and closely punctured striae. L. scarcely | 1. 

 Brackish water ; scarce. 0. Poweri, Piye. 



