394 U. S. NATIONAL MUSEUM BULLETIN 216 



3. Neoxorides caryae (Harrington) 



Xorides caryae Harrington, 1891, Canadian Ent., vol. 23, p. 132; cf 1 , 9 • Types: 



2d 1 , 4 ? , ?Ottawa, Ont. (Ottawa). 

 Biology: Blackman and Stage, 1924, Techn. Publ. New York State Coll. Forestry, 



Syracuse Univ., vol. 17, p. 182. 



Front wing 7 to 13 mm. long; mesopleurum and metapleurum 

 punctate and subpolished; ovipositor sheath about 0.8 as long as 

 front wing. Otherwise structurally similar to N. borealis. 



Black. Inner front margin of eye, entire face of male, palpi, most 

 of propleurum of male, broad stripe on lower edge of pronotum, 

 extreme hind corner of pronotum, longitudinal stripe on side of 

 middle lobe of mesoscutum, longer and narrower longitudinal stripe 

 on mesal side of lateral lobe of mesoscutum, apical half of scutellum, 

 postscutellum, broad stripe along lower edge of mesopleurum, male 

 front coxa except medially, female front coxa externally, middle coxa 

 externally, and narrow short dorsobasal stripe on hind coxa, white; 

 coxae fulvous except as described otherwise; trochanters white in 

 male, white to pale fulvous in female, the first trochanters darker, 

 especially above and in the female; front and middle femora fulvous, 

 those of male white in front, those of female more or less whitish in 

 front; front and middle tibiae infuscate, white in front; hind femur 

 fulvous, narrowly fuscous at base and apex; hind tibia fuscous, its 

 base white; tarsi brown to fuscous, the hind tarsus darkest. 



Specimens (54 cf, 639): From Connecticut (East River and Hills- 

 town) ; Maryland (Cabin John) ; Massachusetts (Cohasset and Forest 

 Hills); Michigan (Detroit); New Jersey (Chatham and Mountain 

 View) ; New York (Ithaca, New York City, Syracuse, and Westbury) ; 

 North Carolina (Pink Beds on Mount Pisgah and Tryon); Ohio 

 (Delaware Co., Hinckley in Medina Co., and Puritas Springs in 

 Cuyahoga Co.); Ontario (Ottawa); Pennsylvania (Allegheny Co., 

 Castle Rock in Delaware Co., Harrisburg, Linglestown, Overbrook, 

 Shiremanstown, and Stoverdale); Quebec (Hull); and Virginia (Falls 

 Church and Veitch in Arlington Co.). 



Collected specimens have been taken only during the summer 

 months, except for one collection on May 31 at Ithaca, N. Y. Reared 

 specimens, mostly from central Pennsylvania, extend the dates for 

 adult specimens from May 2 to September 17. 



Biological data on pin labels are as follows: specimens from 9 

 different localities are labeled "Carya"; 1 specimen is labeled as reared 

 from a cocoon found under bark of Carya, 1 specimen is labeled 

 "Carya glabra," 1 labeled "Castanea dentata," and 1 labeled as reared 

 from Saperda discoidea at Harrisburg, Pa., by W. S. Fisher. 



This species occurs in the Alleghanian and Carolinian faunas. It 

 parasitizes coleopterous borers in hardwoods, particularly in Carya. 

 Adults occur from mid-spring to early fall. 



