ART. 14 THE CHALCID-FLY GENUS CALLIMOME HUBER 61 



darker green; fore and mid tibiae fuscous except the tips, the hind 

 tibiae entirely fuscous; first three joints of tarsi whitish, the rest 

 yellowish brown; veins of wings yellow, the marginal vein five- 

 sevenths as long as the submarginal; stigmal vein sessile. Abdomen 

 greenish brown, the first four segments more shining green above and 

 medially incised. 



Male. — Length 1.5 mm. Blackish green. Flagellum fuscous; 

 joints of funicle not all longer than wide. Legs darker than in female. 

 Otherwise similar to female. 



Type locality. — Washington, D. C 



Host. — Andricus tuhicola (Osten Sacken) . 



Type. — In the Museum of Comparative Zoology, Cambridge. 



I have not seen the type, but I have described the species from a 

 series of specimens some of which were compared with the type of 

 Callimome tuhicola Osten Sacken by Nathan Banks. The types of 

 my descriptions are labeled as such. 



Distribution. — Washington D. C. (Type.) The National collection 

 contains the following: Three specimens under Bureau of Entomology 

 No. ISS''", reared February 13, 1884, from Andricus flocci Walsh on 

 Quercus macrocarpa Michaux, collected by A. Koebele at Washington, 

 D. C. Three specimens Hopkins No. 12020J, reared June 13, 1913, 

 from Andricus seminator Harris on Quercus alba Linnaeus, collected 

 by W. Middleton, Falls Church, Va. Three specimens, Hopkins 

 No. 12056;, reared June 25, 1914, with the same data as Hopkins 

 12020J. Seven specimens, Hopkins No. 13651i, reared June 16 to 

 July 27, 1916, from Andricus operator Osten Sacken on Quercus mary- 

 landica Muenchausen, collected by W. Middleton at Falls Church, 

 Va. Thirty-five specimens, Hopkins No. 13602, reared June 5 to 

 July 29, 1915, from Andricus seminator Harris on Quercus alba Lin- 

 naeus collected by W. Middleton, at Falls Church, Va. Two speci- 

 mens, Hopkins No. 10703c, reared May 7, 1913, from Disholcaspis 

 globulus Fitch on Quercus prinus Linnaeus, collected by S. A. Rohwer 

 at Falls Church, Va. One specimen, Hopkins No. 13603^, reared 

 June 28, 1915, from Amphiholips coccinea (Osten Sacken) Ashmead, 

 on Quercus rubra Linnaeus, collected by W. Middleton at Plummer 

 Island, Md. One specimen, Hopkins No. 113566, reared April 12, 

 1913, from a species of Argidae, Quercus, species, collected by C. T, 

 Greene at Blythedale, Md. Eight specimens, Hopkins No. 13630z^, 

 reared May 6, 1916, and October 18, 1915, from Andricus flocci Walsh 

 on Quercus minor (?) Sargent, collected by A. B. Champlain at Lyme, 

 Conn. Seven specimens, Hopkins No. 136765, reared August 29, 1917, 

 collected by L. C. GriflSth in Georgia; no further data. Six specimens 

 bearing Bureau of Entomology No. 3190°, reared April 18, 1883, from 

 a Cynipid gall on Quercus, species, collected by Barlow in Missouri. 

 Thirty-two specimens Bureau of Entomology No. 3086**, reared June 



