98 



MR. C. J. C. POOL ON THE 



those of the lion and the lamb, has been solved in the Insect 

 House by using the banana. 



The following list of beetles and their ordinary foods, from 

 which, under natural conditions, some of these insects are rarely, 

 if ever, found very far distant, will form an interesting record of 

 species which during the years 1915-1916 have been found to 

 thrive partly or wholly upon this fruit : — 



77 



37 

 7 7 



Voracious ground-beetles. 



Carabus violaceus. 



nem oralis, 

 glabratus. 

 auratus. 

 catenulatus. 

 C al o soma ii i qu is it or. 

 Pterostichi is v i d gar is . 

 ,, ater. 

 ,, madidus. 

 Harpalus ruficomis . 



Aquatic species. 



Hydrophilus piceus. 



Wood-boring species. 



Dorcus parallelop iped us. 

 Saperda carcharias. 



Clytus mysticus. 



,, arietis. 

 Aromia moschata. 

 Hylobius abietis. 

 Hylesinus a •enatus. 

 tSco lytus de structor. 



,, intricatas. 

 Elater pomonce. 



Dung- feeding species. 



Geotrupes spiniger. 



,, ster cor arias. 

 ,, sylvaticus. 

 ,, typlio-us. 



Plant-feeding species. 



Chrysomela fastuosa. 

 ,, gr ami lis. 



„ hyperici. 



Ordinary Food. 

 Usually other insects. 



J5 

 55 

 35 

 57 

 5 5 

 55 

 55 

 55 



53 

 37 

 35 

 73 

 35 

 55 

 55 

 33 

 37 



35 

 53 

 33 

 3 3 

 37 

 77 

 77 

 77 



General scavenger, vegetable or animal 

 matter. 



Moist rotten wood (conies to sugar). 

 Foliage and bark of young stems of 



pop 1 Ml'. 



Hawthorn blossom. 



17 77 



Flowers ; sap and foliage of willow. 

 Fir bark. 

 Ash bark. 

 Elm bark. 

 Oak bark. 



Flowers in summer (larva in decayed 

 beech). 



Horse-dung or decayed fungi. 

 Rabbit-dung. 



Leaves of sallow. 



Leaves of sallow and wild mint. 



Leaves and flowers of hypericum. 



