Dr. Frederick William Russell.
Psyche 23(1):25, 1916.

This article at Hindawi Publishing: https://doi.org/10.1155/1916/17861
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19161 HyslopÌÔTh Host of Zetia vertebra/a 25 insect said: "The habits of this fly have hitherto been unknown though it is very common in the woods, in fact, one can hardly go into the forest anywhere in this part of the country (about Wash- ington, D. C.), particularly during the months of July and August, without finding this fly sitting around on tree trunks. The females are quite different in appearance from the males." I therefore think it advisable that what little data we have relative to the habits of this Dexiid be published.
On April 6, 1915, two larvae of Meracantha were collected under the club moss, Polyt~ichium ohiosnsis. A parasite emerged from one of these larvae and pupated on May 10 andthe adult fly emerged on June 7.
The other larva moulted on May 15 and appeared to be in good health. However, on June 22 a parasite emerged from this lava and pupated.
On July 9 an adult Zelia vertebrata emerged. These parasitic larvae had spent at least six weeks within their hosts, and the puparium stage covered from seventeen to twenty- seven days.
DR. FREDERICK WILLIAM RUSSELL.
Dr. Frederick W. Russell, a former member of the Cambridge Entomological Club, died at the residence of his son-in-law, Dr. Frank J. Hall, Dallas, Texas, November 20, 1915, aged seventy- one.
He graduated from Harvard in 1869 and from the Medical Department of the New York University in 1871. A resident of Winchendon, Mass., for many years, he frequently attended the meetings of the club even from that distance. As a member of the Boston Society of Natural History he took a great interest in the work of building up the New England collection of insects and contributed many rare and interesting moths-the group in which he was especially interested. He was a genial friend and companion and the club wishes to express its sorrow in the loss of a friend and fellow-worker.




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