PLATE CXVIII. 



Chermes abietis. (Page 2-4.) 



Fig. 1. — Larva taken out of a pseudo-cone of the 

 spruce fir, with several of the faecal (?) globules noted 

 in the text. 



Fig. 2. — Underside of the pupa which develops from 

 the last insect. 



Fig. 3. — Upper side of the pupa. 



Fig. 4. — Imago with expanded wings. The broad 

 cubitus and large coreaceous stigma may be noted. 



Fig. 5. — Alate female with wings at rest, folded 

 horizontally. 



Fig. 6. — Dead body of the same attached to a leaf 

 of spruce fir. The dry body serves as a roof and 

 protection to the young which have been hatched 

 beneath it. 



Fig. 7. — Head and antenna of fig. 4. 



Fig. 8. — Minute male of Chermes abietis showing 

 at $ the remarkable development of the intromittant 

 organ. 



Fig. 9. — Underside of the head of male, showing 

 that in this species the male is not wanting in the 

 mouth parts. 



Fig. 10. — Tarsus and claws of male. 



