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An?ials Entomological Society of America [Vol. XIII, 



The logs are inhabited by the large wood-borers Prionus 

 (Fig. 9) and Orthosoma briimieum. The wood-eating beetle, 

 Passalus coniiitiis, assisted by the rotten log caterpillar, Scoleco- 

 campa liburna, the large ant Campanotus fallax var. decipiens, 

 and termites soon reduce the log to a mere paper shell. Numbers 

 of wireworms and borers live beneath the bark. Larvae of the 

 elaterid, Orthostcthiis infuscatus (Fig. 10) are characteristic of 



Fig. 9. Prionid larvas in sweet gum log. Nat. size. 



well-decayed logs. Numerous beetles, such as Tritoma festiva, 

 T. tlioracica and Boletotherus bifurcus, feed on fungi. A large 

 slug is also common. 



In dry protected spots beneath trees may be found the 

 funnel-shaped pits of the ant-lions and occasionally one finds 

 the burrows of a tiger-beetle. 



Larvas of Lachnosterna beetles, Trichitis piger and T. delta 

 inhabit old oak stumps. (Fig. 9). 



