PLATE IX. — THE PHLOEOTEIBUS OLEAE. 



Fig. 1. Portion of dry branch of olive A, B. a, excrescences 

 formed by excrement and borings from wood of the year hanging from 

 the openings of the galleries which the Phloeotribns dig out, at b, bb 

 holes made going in. B to C bark stripped off, c, d, e, show galleries 

 made by the Phloeotribus; c, gallery commenced showing niche 

 enclosing eggs; d, two galleries dug by two females going in at same 

 entrance flanked by laterals dug out by the larva?; e, two similar 

 galleries of which some complete laterals show the chrysalides, 

 because formed by the larva? which were the first to open it. 



Fig. 2. The galleries c, of previous figure enlarged; a, ingress; 

 e, gallery in which female stays while excavating and depositing 

 eggs; d, d, d, niches with larva? enclosed who have commenced to dig 

 out the lateral galleries; e, e, which contain the eggs; b, remains 

 short and without laterals because dug out by a male. 



Fig. 3. Branch of olive in crotch of which is seen a Phloeotri- 

 bus at work digging a tunnel; on pulling him out, the hole is seen 

 filled with borings and excrement. 



Fig. 4. Branch similar to preceeding showing Phloeotribus 

 (enlarged,) in a nest covered with borings and excrement. 



Fig. 5. The egg (enlarged.) 



Fig. 6. The larva side view (enlarged.) 



Fig. 7. Head of larva, seen from above, (much enlarged) 



Fig, 8. Same head, side view. 



Fig. 9. Chrysalis with strip of wood from tree a, adhering. 



Fig. 10. Insect (enlarged.) 



Fig. 11. Antenna, (very much enlarged.) 



Fig. 12. Tibia and tarsi of hind feet, (enlarged.) 



