JOURNAL OF ENTOMOLOGY AND ZOOLOGY 155 



R. mcigcni O. S., Molophilus hirtipennis O. S., these larvjc being 

 rather common. Also several of the big white Leptid larva, Chrys- 

 opila thoracica, and many beetles and worms. Examined on June 

 30 and found to contain one healthy larva. 



June 1, 1914 — Rich, wet, organic mud taken from along the rail- 

 road embankment at Sacandaga Park, N. Y. This yielded a few 

 crane-Hy larva? of the tribes Eriopterini, LimnophiUni and Tipulini, 

 as well as one of Pcnthoptera. It was placed in vial No. 52 and on 

 June 30 emerged as an adult male. 



June 9, 1914 — In Simmons' Woods, Gloversville, N. Y., rich 

 black mud from along the creek in shaded places was examined and 

 yielded a few Eriopterine larvae and one Penthoptera. 



The immature stages may be described as follows: 



Larva 



Length: Fully extended, 10-12 mm.; diameter, 1-1.2 mm. 



Color bright chestnut-yellow, the cephalic half richer and deeper 

 colored, the thoracic sclerites suffused with brown; the sub-caudal 

 enlargement, when expanded, whitish; the skin with silky, sub-irri- 

 descent reflections. 



Head-capsule rather broad, the genal plates with the inner ceph- 

 alic angles rounded, and the caudal inner angle produced caudad in 

 a long point. The labrum is quite similar to that figured for Erio- 

 cera spinosn (Journ. Ent. and Zool., VI, PI. I, Fig. A, 1914). 

 Mandibles of the usual Hexatomine type, long, slender, pointed, in 

 a position of rest pointing caudad; the inner margin provided with 

 teeth, a double tooth at about mid-length of the organ and a promi- 

 nent knob midway between these teeth and the base of the mandible. 

 (See Plate I, Figs. 2, 4, and 6.) 



The caudal end of the body with four lobes, two being lateral 

 and two ventral in position (Plate I, Figs. 8 and 9). The lateral 

 lobes are provided with a dense fringe of rather short yellow hairs, 

 these hairs directed laterad. The ventral lobes are densely clothed 

 with long pale hairs which are directed ventrad and a few scattered 

 longer filaments; one very long bristle from each ventral lobe, this 

 being much longer than the segment which bears it. The stigmal 

 disk is almost free from darker markings, a faint brown line extend- 



