(Page 48) 



14. Pronotura short and broad, about twice as broad as long, fiolor of 



body black. L. 2,5 mm 10. 0. lentula Sr. 



Pronotum only ih times as broad as lon^ 15. 



15. Body rather equally broad, black. Elytra hardly longer than pronotum. 



L. 3-4 mm 9. 0. funebrls Kr. 



Abdomen distinctly tapering 16. 



16. Pronotum blackieh-brown or black with lighter sides 17. 



Pronotum reddish-yellow or brownish-yellow. Elytra most often darkly 



livid yellow. L. 2.5 mm 14. 0. exoleta Er. 



17. Antennae slender, feebly thickened distally. L. 3.5 mm 



11. 0. humidnla Kr. 



Antennae rather robust and rather strongly thickened distally. L.2.5 



-3 mm 12. 0. umbrata iyllh. 



13. Abdomen toward the tip with rather scattered or isolated punctation. : 19, 



Abdomen all over v.ith especially dense and fine punctation 20. 



IP. Elytra distinctly shorter than pronotum. Abi^.omen anteriorly not dens- 

 ely punctated. L. 2.5-3 mm 17. 0. planipPrinis Thorns. 



Elytra almost as long as pronotum. Abdomen anteriorly very densely 



punctated. L. 3.5-4 mm 18. 0. to£:ata Sr. 



20. Abdomen distinctly tapering. Pronotum and elytra yellowish-red, but 



often with darkly, livid reflection. L. 3-3.5 mm 



19. 0. abdoroinalis Mannh. 



Abdomen feebly tapering. Pronotum and elytra brownish-red. L. 4 mm. 

 20. 0. rufa Kr. 



•68- 



