DESCRIPTION OP THE COLOURED PLATES xiii 



PLATE D 



Figs. 24 and 25. Anthophora pilipes F. : male and female. A 

 spring bee, the male of which may often be seen in gardens, 

 darting from flower to flower (p. 81) ; while the female 

 collects pollen ; it forms large colonies (p. 62). 



Fig. 26. Melecta armata Pz, : cuckoo of Anthophora pilipes. 



Fig. 27. Anthidium manicatum L. : invests its cells with 

 the down off the stems of labiate plants, which it strips off 

 with its mandibles (p. 50). 



Fig. 28. Osmia bicolor Schr. : female ; nests in snail-shells, 

 which it sometimes covers up with small pieces of grass- 

 stems till a little mound is formed, resembling a diminutive 

 ants' nest (p. 59). 



Fig. 29. Bombus terrestris L. : female. One of the commonest 

 of our Humble Bees ; it nests in the ground. It is the 

 host of Psithyrus vestals, which resembles it very closely 

 in colour ; it is this species that was exhibited by Mr. 

 Sladen at the Maidstone Agricultural Hall (p. 41). 



Fig. 30. Bombus lapidarius L. : another common Humble 

 Bee, also an underground builder ; it is the host of Psithyrus 

 rupestris. 



Fig. 31. Psithyrus rupestris F. : female ; the cuckoo of Bombus 

 lapidarius, which it closely resembles except for the nearly 

 black colour of the wings. 



