INTKODTTCTIOX. 



107 



apex, and each has four teeth. The structures that are visible in 

 the present preparation are shown in the figure. At the end 

 of the body there is a ventral process which is probably used in 

 locomotion. 



Fig. 36. — Longitarsus ochroleucus, Marsh. : head of larva from above ; c, con- 

 dyles of mandibles; c7i,_chitinous supports of head; md, mandibles; 

 mx, maxillae. 



Haltica ampelophaga, Guer. 



The following description is drawn up from four examples 

 (Lugano, Switzerland, on hazel, K. G. Blair) preserved in alcohol 

 in the British Museum: — The length varies from 5| to 6| mm. 



Fig. 37. — Haltica ampelophaga, Guer. Lateral view of larva. (A part of the 

 intestine, which was visible in the cleared specimen at the hind end of 

 the body, is shown.) 



The colour of the specimens in alcohol is dark brown, the under- 

 side being lighter and the head and parts of . the legs blackish. 

 The body is slightly bent and somewhat narrowed behind, and 

 consists of thirteen segments, including the head, the three 

 thoracic and nine abdominal segments. The head is formed of a 

 strongly chitinised, hard capsule, narrower than the prothorax, 

 quadrate with front well rounded, viewed from above slightly 



