PLATE XCVII. 



Lachnus macrooephalus. (Page 48.) 



Fig. 1. — Pupa sparsely covered with white powder. 



Fig. 2. — Imago with the protruded rostrum. The 

 great length of the stigma is to be marked in all this 

 genus, a. Head and antenna of imago, h. Last 

 joints of the rostrum, c. Inverted view of the ano- 

 genital rings, e. Exit of the false vagina. /. Valves 

 closing the same. g. Clasping ring (*' armature copu- 

 latrice"). A part of the tail is seen above, d. Tarsus 

 with the second joint much developed, 



Lachnus pini„ (Page 50.) 



Fig. 3. — Apterous viviparous female. 



Fig. 4. — Dark variety of the same. The globule at 

 the tail shows that the excretion of liquid is not, in 

 these insects, confined to the nectaries. 



