The Crane-Flies of New York — Part II 955 



short, clavate, yellow, constricted at bases, which are blackened; a prominent seta just above 

 each breathing horn; two setae on each side of pronotum beneath eye. Mesonotal prescutum 

 strongly convex, with six strong setae on each side, one just cephalad of base of wing, another 

 at joint of wing, and two semitransverse groups in front of and behind level of wing base. 

 Wing sheaths short, ending some distance beyond tips of hind tibiae and just beyond base 

 of third abdominal segment. Leg sheaths (Plate LXXXI, 442) with fore femora strongly 

 swollen, lying alongside rostral sheath; tips of middle tibiae ending just beyond tips of fore 

 tibiae; legs very long, ending just before tip of fifth abdominal segment. 



Abdominal segments densely and microscopically punctulate. Segments 2 to 7 with two 

 narrow basal rings and a broad posterior ring. Setae of dorsal abdominal segments (Plate 

 LXXX, 437) en the posterior ring consisting of a caudal series of two strong outer setae and 

 two smaller inner ones, the outer one of the inner series close to the proximal one of the outer 

 series; lateral series of setae powerful; basal series in alineraent with anterior lateral seta, 

 consisting of two powerful outer setae and a delicate inner one; pleural segments with a rudi- 

 mentary spiracle on segments 2 to 7, each spiracle with a stout seta above it; setae of ventral 

 segments (Plate LXXX, 436) with two strong bristles on each side near posterior lateral mar- 

 gin, the outermost with a tiny seta above it; a single basal seta located on a level with ves- 

 tigial spiracles. Female cauda (Plate LXXX, 439) with sternum of eighth segment having 

 two sharp, curved, widely separated spines, and just laterad of these a stout seta; pleural 

 region with another seta on same level; sternal valves of ovipositor only a little shorter than 

 tergal valves; dorsum of segment 8 with two long teeth, above which are two slender, diver- 

 gent tubercles; tergal valves broad basally, narrowed suddenly at tip, on either side with a 

 small, subapical seta. Male cauda (Plate LXXX, 438 and 440) with eighth sternite hav- 

 ing a strong median tubercle that is two-toothed; laterad of this a strong chitinized tooth 

 bearing a powerful seta on outer face; a similar strong lateral seta; eighth tergite with four 

 strong tubercles arranged to form a square; ninth sternite blunt, each lobe ending in two 

 small tubercles; ninth tergite ending in two divergent lobes bearing at tip a large and a small 

 seta and on dorsal face at about midlength another strong seta. 



Nepionotype. — Rosslyn, Virginia, May 21, 1913. 



Neanotype.— Edge Hill, Pennsylvania, May 25, 1905. 



Paratypes. — Larvae with type larva (two) and with type pupa (two). 



Genus Toxorhina Loew (Gr. boiv + nose) 



1835 Limnobiorhynchus Westw. Ann. Soc. Ent. France, p. 683 (spurious name). 



1851 Toxorhina Loew. Linnaea Entomol., vol. 5, p. 400. 



1869 Toxorrhinn O. S. Mon. Dipt. N. Amer., part 4, p. 109-114. 



1910 Neoceraiocheiius Wesche. Journ. Linn. Soc, Zool., vol. 30, p. 358. 



Toxorhina is a small genus including about nine described species, 

 almost all of which are from the New World. Two species occur in 

 Africa and one in India. Toxorhina madagascariensis Meun. is described 

 from African copal (Pleistocene). Nothing has been published con- 

 cerning the immatui'e stages of any member of this genus. 



