HOW TO KNOW THE INSEQS 



Fig. 122. Langurla trlfasclata Say 



Cylindrical, tapering at both ends. Head and 

 base and apex of elytra bluish black; thorax, 

 middle of elytra and 'segments two to six, inclu- 

 sive of antennae reddish yellow. Length 6-8 mm. 



The Pleasing Fungus Beetles are for the most 

 part smooth, shiny, elongate beetles that live 

 In fungi . The larvae of Langurla mozardl feed 

 in the stems of clover. Many of the adults are 

 marked with contrasting patterns of black and 

 red. 



Figure 122. 



33a Front coxa! cavities closed behind. Abdomen Vwith five ven- 

 tral segments in part grown together. Fig. 123A 34 



i'ig, 123 A, Front coxal caTitles closed behind and separated; ii, v,riaely 

 opsn behind and confluent; C, open behind and separated; p, presternum; 

 es, epistemuni; cc, coxal caTlties. (After Wiclchani,) 



33b Front coxal cavities open behind. See 

 34a Next to last segment of tarsi spongy. 

 Beetles) Fig. 124. 



Fig. I23B and C . . 35 

 (The Lagrild Baric 

 Fami ly 88, LAGRI I DAE 



Fig. 124. Arthromacra aenea glabrlcollls 

 Blatch. 



Elongate, convex. Brovmlsh black with 

 metallic Iridescence. Length 10-13 mm. 



This Is a small family of beetles; found 

 under bark and on leaves. 



Figure 124. 



34b Next to last segment of tarsi not spongy. (The Darkling 

 Beetles.) Fig. 125. Many Tenebrionids 

 Fig. 124. They should 

 characters . 



my I erieui I uri I us Strongly resemble 

 be checked carefully for the tarsal 



Family 87, TENEBRIONI DAE 



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68 



