THE DENIZENS OF AN OLD CHERRY TREE. 17 



Summary of Insects observed in the Cherry Stump. 



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EXPLANATION OF PLATES I. and II. 



Plate I. 



Fior. 1. — Portion of rotten Cherry wood, showing nidus of Crabro 

 lencodomus (Linn.), with four cocoons, from one of which a 

 male imago has emerged. All drawn natural size. 



,, 2. — Portion of rotten Cherry wood burrowed by the larva of 

 Melandrya caraboides (Linn.) shown in its burrow, with the 

 active pupa in an adjacent burrow. The imago is seen near 

 the wood at the top of this figure. All natural size. 



,, 3. — Portion of rotten Cherry wood showing nidus of Pemphredon 

 Inguhris (Latr.) ; two of the galleries are occupied by the 

 larval and pupal forms respectively, and near the latter is a 

 female imago. All natural size. 



4. — Portion of rotten Cherry wood showing borings of a female 

 Crabro chrysostomus (Lep.) containing three cocoons, with 

 their lower ends resting on the dipterous remains of the 

 larval larder. From the upper cocoon the female imago 

 shown has emerged. All natural size. 



5. — Crabro vagus (Linn), female. Enlarged. 



6. — Anthophora furcata (Panz.), female, enlarged. Bred from 

 boring of Crabro vagus. 



Plate II. 



Fig. 1. — Upper side of head of larva of Melandrya caraboides showing 

 toothed mandibles adapted for cutting and tearing wood 

 (2-inch objective). 



,, 2. — Toothed mandible or jaw of female Pemphredon lugubris 

 (I-inch objective). 



International Journal of Microscopy and Natural Science. 



Third Series. Vol. V, c 



