﻿84 Journal New York Ent. Soc. [Voi. iii. 



Theridium glaucescens Becker. — Three specimens, s^veepil\^^ July. 

 Theridium frondeum Hentz. — Very common, on weeds, etc. ]uly, 



August. 

 Theridium albidum, sp. nov. 



Length 2.2 mm. The cephalothorax is pale yellowish, with a single median 

 line which does not reach the eye region, this is indistinct in the 9 ; the $ abdomen 

 is gray with four black spots above and a median white stripe ; the 9 abdomen is 

 white above and gray below without black spots ; the legs are white or pale yellow, 

 in one $ slightly darker at ends of femora and tibiae. There is a little projection 

 at the base of the mandibles as in T. frondeum ; the abdomen is not as spherical as 

 in that species. The $ palpus is about one-half the size of that of T. frondeiDii, 

 the bifid hook is proportionately much larger and more prominent, the tube that lies 

 in the hyaline sheath is much shorter and stouter than in 7'. frondeum. 



Sea Cliff, N. Y., a few specimens. Shreveport, La. 

 Theridium unimaculatum Em. — Common, often near evergreens. 

 September, ( )ctober. 



Lathrodectes mactans Ivuch. — One specimen from Woodhaven, 



L. I., collected by R. L. Ditmars. 

 Steatoda borealis Ilentz. — Common, usually in houses. 

 Enoplognatha marmorata Tleutz. — One specimen. 

 Lithyphantes corollatus Lhiii. — Two males, under stones; one 



Glen Cove, October ; the other Bayville. January. 

 Asagena americana Em. — Not common, running on dry ground. 



May, June. 

 Dipoena nigra Em. — A few specimens, sweeping. 

 Theridula spheerula Heutz. — Not common, sweeping. August. 

 Euryopis funebris Heniz. — Infrequent, in old fields, under leaves in 



woods. September, December. 



Microdipoe gen. nov. 



In group of Tha-noecc. Anterior row of eyes equal, the A. M. E. fartb.er from 

 each other than from the S. E. The P. M. E. are a little nearer to each other 

 than to the P. S. E., and a little larger than them ; the S. E. are touching, 

 the ([uadrangle of the M. E. is wider in front than behind, and wider in front than 

 long. P. M. E. slightly oval. The posterior row a little recurved in the male, that 

 of female straight. The male head is greatly elevated, nearly as high as the cepha- 

 lothorax is long ; the clypcus is concave ; the female head of moderate height. The 

 legs are very hairy, but are destitute of spines, except there is in the male a large 

 curved spine on the inner tip of tibia I, and another curved one under the middle of 

 metatarsus I. The tarsi are plainly longer than the metatarsi ; the sternum convexi 

 triangular, broadly rounded behind, about as broad in front as long. 



