i;^() NOUTII AMKKICAN NYSSONlDAt: (HYMENOPTERA) 



7^,ypc.s.— In Cornell University. Holotype 9 , no.r)2{).l ; paratype 



9 , no. 520.2. 



ALYSSON 



Alysson melleus Say 



Quebec : JMontreal, July 10, 1902, one male, [Cornell University]. New 

 Yokk: Ithaca, August 7, 9, 10, 18, 31, 1916, seventeen females, twenty-four 

 males. Georgia: Spring Creek, Decatur County, July 16 to 29, 1912, 

 two males, (Cornell Univ. Expedition); May 18 to 21, 1916, three females, 

 (J. C. Bradley), [Cornell University]. Thomasville, April 27, 1915, one female, 

 (C. S. Spooner). Bainbridge, July 1.5 to 27, 1909, one female, (J. C. Brad- 

 l(>y). Tallulah Falls, July 19 to 25, 1909, one female, (J. C. Bradley). Flor- 

 n)A: Dunedin, March 16, 1914, one male, (W. S. Blatchley), [Cornell Uni- 

 vensity]. Tennessee: Memphis, July 16, 1914, one female, (J. C. Bradley), 

 [Cornell University]. Texas: El Paso, July 24, 1914, two females, (J. C. 

 Bradley), [Cornell ITniversity]. 



Alysson oppositus Say 



(Quebec: Montreal, September 10, one female, August 17, 1901, one fe- 

 male. Joliette, July 19, one male. New York: Wilmington, Essex County, 

 August 20 to 25, 1916, 1000 to 2200 feet, one female. Adirondack Moun- 

 tains, August 8, one female. Ithaca, August 10 and 13, eight females. [All 

 in ('i)rnell Ihiiversity]. 



Alysson trianguliferus Provancher 



New Yokk: llliaca, one female; June 23, 190S, one female; August 14, 

 1894, one male. Mud Creek, Tompkins CJounty, June 17 to 20, 1904, two 

 males, (A. D. MacGillivray and J. C. Bradley). [All in Cornell University]. 



Alysson conicus Provancher 



Ontario: Waubamic, August 6, 1915, one female, (H. S. Parish). New 

 York: Wilmington, l']ssex ('ounty, August 20 to 25, 1916, one female. Rhine- 

 beck, July 27, 1907, one male, (C. R. Crosby). Middletown, July 2 to 20, 

 1910, one male, (C. S. Spooner). Van Cortland Park, July 20, 1916, one 

 male. [All in Cornell University]. 



Alysson shawi new si)ecies 



o". Black; the; front and middle femora and libiae and more oi' less of 

 tnjchanters and hind (ibiae feri'iiginous; the liind tarsi ferruginous ])ut 

 somewhat infuscated; tlie front and middle tarsi ]ci l)la<'k, as also the 

 hind femora, and the hind and middle coxae; the front coxae with a yellow 

 apical spot in front; face, extended upward along the eyes, mandibles except 

 tips, clypeus, scape beneath, posterior extensions of ))r()notum iind lateral 

 spots on second dorsal segment, yellow (colonial ImIT); antennae ]y.\]v in front 

 except at tip. Wings hyaline. Lengtii, 6 mm. 



Dorsum shallowly and spansely ])unctured; me.so])leura not striate, scarcely 

 punctate. .Area on proi)odeuni sharply triangular, nearly as l)road at base 

 as long, filled with luunerous radiating (^arinae. Second recurrent vein 

 opposite the second transverse cubitus. 



