294 WASP STUDIES AFIELD 



brings to light the interesting variation of position in sleep 

 when the queen is alone and when the numbers are great. 



Dr. C. H, Turner 17 has published a very interesting and 

 detailed account of the feeding, homing and hunting be- 

 havior of an orphan colony of P. pallipes. Tower 18 has 

 done some work on the ontogeny of the color pattern in 

 this wasp. Pierce finds P. pallipes stylopized by the twist- 

 ed-wing parasite, Acroschismus bozvdichi, and says that a 

 female was taken by Mr. Dury "so laden with parasites 

 that it could not move." It contained nine male pupae. 

 Robertson finds them feeding on various flower heads. 

 Packard 19 says says that a male with the abdomen removed 

 lived for five and one-half hours, while a female with the 

 head removed lived actively for forty-one hours. Snyder 20 

 says that, in the Bermuda Islands, P. pallipes is of a lighter 

 shade than in the United States. Bermuda has coral roads 

 and white calsomined roofs, and he suggests that selective 

 elimination has been a factor in causing the survival of the 

 light colored individual. 



Polistes bellicosus Cress. [S. A. Rohwer]. 



Two specimens of Polistes bellicosus, a yellow-striped 

 wasp, and also another Hymenopteron often came down to 

 the water to drink. Occasionally they stopped at the water's 

 edge, but more often they would fly to the middle of the 

 puddle of still water and there alight upon the surface, 

 spread their legs in the fashion of the water strider and 

 drink long and deep, apparently in full enjoyment. They 



17 Psyche 19 : 184-190. 1912. 



18 Decen. Publ. Univ. Chicago 10 : 21. Fig. 72-74. 1903. 



19 Psyche 2: 17. 1877. 



20 Ent. News 19: 147. 1908. 



