20 Some Solitary Wasps of Texas. 



same position as egg. 4 p. m., caterpillar has passed foeces again; 

 will move only on stipulation; larva growing. 



September 5th, 9 :30, larva 6 mm. long, still occupying same po- 

 sition; caterpillar shrunken and nearly dead; can move head end 

 on stimulation. 



September Gth^ a. m., larva nearly as long as caterpillar is wide. 

 Sucking movements visible in larva. 



September 8th, larva has sucked the skin of caterpillar dry and 

 is devouring parts of this. 



September 9th, caterpillar all eaten up except head and tail. 

 Fig. 9 shows full grown wasp larva with a remnants of a devoured 

 caterpillar together with a fresh caterpillar for comparison. 



IV. No. 61, September 5th, caterpillar moves both ends slightly. 



September 8th, egg dead. Caterpillar nearly dead ; only extreme 

 ends capable of slight movements on irritation. 



v. No. 72. September 18th, first four and last three segments 

 movable; has turned pink. 



September 22d, head end responds to stimulation. 



September 26th, posterior end jerks when pinched. Anterior end 

 is shrinking, 



September 27th, posterior end still alive, anterior end stiff, 



VI. No. 73^ September 18th. Head and last two segments move 

 a little on stimulation. 



September 22d. Several anterior segments respond to stimula- 

 tion. 



September 25th. Dead. 



