74 Journal New York Entomological Society. tVoi. xxii. 



Can Cicindela Unipunctata Fly? — In Colonel Thos. L. Casey's re- 

 cent Memoirs on the Coleoptera, IV, he has this to say of Cicindela 

 unipunctata Fabr. : " ]Mr. Leng gives no record of its flying and my 

 materia! is too scanty to ascertain the development of the wings; 

 they are probably vestigial to some extent." This refers to what 

 Mr. Leng had to say of the species in his Review of the Cicindelidse 

 (1902), but in this Journal, Vol. X\TII, p. 80, June, 1910, he men- 

 tons that we saw unipunctata flying on the mountains near Clayton 

 Ga. In an account of our second trip on page 216, \^ol. XIX, Dec, 

 1911, the writer states that Cicindela unipunctata "... was quite 

 plentifully distributed in the woods and along the wood paths. The 

 individuals that we have seen at Plainfield, Lakewood and Lakehurst 

 in New Jersey, did not fly when disturbed, but at Clayton they flew 

 almost as well as the other native species." It may be added that the 

 wings are just as fully developed in specimens from Plainfield, N. J., 

 as they are in those from Clayton, Ga., being about 13 mm. in length 

 in each case, and why the former do not fly when disturbed remains 

 to be discovered. 



At the suggestion of Mr. Charles Schaeffer we have measured 

 the wings «in some of our species of about the same size as Cicindela 

 unipunctata, and find those of vulgaris from Long Island, N. Y., and 

 generosa from Lakehurst, N. J., to be each about 15 mm. in length. 

 So Col. Casey is right, the wings in unipunctata are "vestigial " to the 

 extent of 2 mm. when compared with some of our other tiger beetles 

 of about the same size, but nevertheless it flies quite well in the moun- 

 tains of Georgia with its 13 mm. wings. — Wm. T. Davis.. 



Water Beetles Taking a Sun-Bath. — On June 21, 1913, Mr. Lewis 

 B. Woodrufif and I were on the banks of the Wallhill River near Pine 

 Island, Orange Co., N. Y. A large branch had fallen into the river 

 along the shore, and several of the lesser branches projected almost 

 vertically into the water. On one of these a considerable number 

 of Dineutes discolor had climbed and were enjoying a sun-bath, as 

 is their habit. Less than a foot away two other branches entered the 

 water at about right angles, and on these there had congregated a 

 very great number of Gyrinus dichrous Lee. Each species was 

 strictly by itself, that is to say though the branches were so close 

 together, there were no Gyrinus on the Dineutes perch, nor any 

 Dineutes among the gatherings of Gyrinus. 



