174 Journal New York Entomological Society, t^oi. xxi. 



The larvae of Lycaenidas were also referred to, living often with ants ; they 

 can, however, be bred without ants. 



Mr. Leng read a paper on " Parasitism in Beetles," mentioning a number 

 of instances of parasitism in different degrees and pointing out that it was a 

 development of the food habit. He exhibited some of the beetles referred to. 



Mr. Davis exhibited a Gordius worm 28 inches long that had emerged 

 from a water beetle, Dytiscus harrisii, and specimens of Coscinoptera domini- 

 cana, and the pupa cases from which they had emerged, the pupae having been 

 found in ants' nests at Newfoundland, N. J. 



Dr. Lutz spoke of F. W. L. Sladen's " The Htimble Bee, etc.," recently 

 published, and the account there given of Psithyrus killing the Bombus queen 

 and securing adoption by Boiiibns workers and their assistance in bringing up 

 the parasite's brood ; as well as the complete account of Bombus parasites in 

 the fourth chapter. 



Dr. Lutz also referred to the notes on the " Biology of Chelonus texanus," 

 by Pierce and Holloway in the Journal Econ. Ent., V, Dec, 191 2, in which is 

 told how the adult Chelonus deposits its eggs in the eggs of its host, but the 

 parasite emerges not from the egg, but from the pupa developed therefrom ; 

 and to " The Life History of Tetrastichus asparagi," by Russell and Johnston, 

 in the same journal, in which it is shown that the adult Tetrastichus oviposits 

 in the egg of the host, the parasitic larva lives in the larva of the host and 

 the parasite pupates within the pupa of the host. He spoke in this connection 

 of Silvestri's " Biologia del Utomastix truncatellns," a parasite which also 

 oviposits in the egg of the host, but is polyembryonic and possibly paedoge- 

 netic in alternate generations. Continuing JDr. Lutz mentioned and discussed 

 the recent paper by Vernon L. Kellogg in The American Naturalist, XLVH, 

 March, 1913, on " Distribution and Species Forming of Ectoparasites," in 

 which the interesting fact is brought out that related species of birds may be 

 infested by the same species of Mallophaga presumably because the environ- 

 ment for the parasites, i. e., the body of the bird, has remained unchanged 

 while that of the hosts has not. 



Mr. Angell added to the Coleopterous inquilines mentioned by Mr. Leng 

 the five species (3 Scarabaeidae, i Hisler, i Staphylinid) found in gopher holes 

 in Florida. 



Mr. Grossbeck exhibited specimens of Tinea vastella, a moth living in 

 antlers of living deer, Galleria mellonella, the wax moth or honey moth and 

 Euclemensia bassettella, whose larva feeds on gravid females of Kermes, and 

 read a paper on parasitic Lepidoptera, in which the recorded information was 

 summarized. Epipyrops anomala feeding on Fulgorids ; Bradypodicola 

 hahneli, the sloth parasite, feeding on hair of living sloth (Cryptoses cholcepi), 

 seen flying from the sloth as it fell to the ground as described by Dyar, 

 Chalcoela iphitalis, destroying the larvae of Apis and Polistes, were men- 

 tioned, as well as the symbiosis or trophobiosis between Lycaenid caterpillars 

 and ants. Mr. Grossbeck closed with a reference to a Lycaenid from India 

 tending aphids for the honey secreted and caressing them with the forelegs. 

 Mr. Comstock spoke of the development of the forelegs noticed by De 



