Vol. XXV] ENTOMOLOGICAL NEWS. 429 



thia badly parasitized by S pirochalcis marine. These speci- 

 mens of parasites were only half the size of those that came 

 from the cocoons of Platysainia cecropia. 



He also referred to having found Aedes triseriatiis breeding 

 in a cistern, away from the woods. The species had been sup- 

 posed to breed in the woods or near them in all cases. He also 

 spoke of the scarcity of Culex pipiens at the Point Breeze 

 Amusement Park, Philadelphia. 



Mr. Greene said there was an excellent collecting place near 

 the Overbrook Seminary at Merion, and spoke of the rare 

 insects he had found there, particularly Hymenoptera and 

 Coleoptera. 



Mr. Williams referred to the species of Lycaena from which 

 he had extracted and mounted the genitalia. He said species 

 in this genus, in some cases, apparently distinct by maculation 

 characters, had identical genitalia. The species in the genus 

 found on the Pacific coast of the United States had evidently 

 come from Europe originally, and became fewer as they neared 

 the south, as there were only two species found in ]\Iexico. 



Mr. Rehn referred to genitalic characters in the Orthoptera. 

 In one genus they may be good to separate species, and in 

 others valueless. 



Dr. Calvert spoke of the term species and gave the Linnaean 

 definition and referred to recent work in the breeding of Colias. 



Henry Skinner, Secretary. 



FELDMAN COLLECTING SOCIAL. 



Meeting at the home of H. W. Wenzel, 5614 Stewart Street, 

 Philadelphia, May 20, 19 14. Twelve members were present. 

 President Wenzel in the chair. 



Professor Calvert showed larvae and pupae of Xylomyia 

 paUipes Say (Diptera, family Leptids) found beneath the bark 

 of a living Carolina poplar in West Philadelphia, April 16, 

 1914, from which he bred the imago identified by Mr. E. T. 

 Cresson, Jr. A description of the puparium and pupa of this 

 species, under the name Siibula pallipes Loew, was published 

 by C. H. T. Townsend, in Entomological News IV, p. 163, 



