NORTH AiMKRICAN II YMKNOl'TKKA. 00/ 



This European species lias been recognized in our fauna fVdni 

 specimens reared by Prof. A. D. Hojjkins from Pohjfjrajj/tasrajipennis 

 living in spruce March 26, April 17 and June 23, 1891, 



Ro|>troc*ei*UN eceo|>toga!<$tri Katz)). 



Pachycerus eccoptngastri Ratzb. Die Ischn. d. F'ortiiis. i, p. 218. 

 Eopfrocerus eccoptogastri Katzb. 1. c. ii, p. 209. 



Hab. — Europe and Morgantown, W. Va. 



Prof. A. U. Hopkins has also bred this European species from the 

 following Scoiytids : July 20, 1891, from Tomicnx calluiraphus in 

 white pine ; July 20, 1891, from Tomicus pini in ])ine; August 22, 

 1891, from Tomicus cacographus in yellow ])ine ; July 18, 1892, from 

 Tomicus ccelatus in Norway spruce ; and January, 1898, from Den- 

 droctoiius frontalis in j)ine. 



€E<'II>0»»TIBA Thoiuson. 



1878.— Hyni. Scanil. vol. v, p. 92. 



(Type C. rngifron.i Tlioins.) 



('e<a«lo*«tiba dcMitlroeloiii sp. n. 



9. — Leiigtli 4.;> 11)111. Bluish, the iiead and thorax above metallic green, con- 

 fluently punctate; scape, pedicel and legs, except coxfe and feuiora, whicli are 

 more or less blue, or metallic, brownish yellow; flagellum black, pubescent; 

 sometimes the head and thorax are entirely golden-green, more rarely entirely 

 blue. The head is wider than the thorax, about twice as wide as thick antero- 

 posteriorly, the frons with no distinct antennal furrow; mandibles and palpi 

 light rufous; antennae long, tiie scape long and slender, extending slightly be- 

 yond the ocelli; flagellum liliform, pubescent, about two and a half times the 

 length of the scape, all the funicular joints long, the first being the longest, 

 about six times as long as thick, the following very gradually shortening the 

 club not as long as the first joint of funicle. Thorax with the mesonotum lon- 

 ger than wiile at base, the pronotum very short, but distinct; para])sidal furrows 

 only indicated anteriorly ; scutellum much longer than wide at apex; metanolum 

 very short, transverse, with rounded spiracles, the latter with a sulcus behind. 

 Wings hyaline; tegulse yellowisli, venation light brownish yellow, the marginal 

 vein is slender, one and a half times as long as thestigmal, the latter terminating 

 in a large, rounded stigma, with a slight uncus ; postmarginal vein fully as long 

 as the marginal. Abdomen sessile, acuminaied and compressed, one and a half 

 times as long as the head and thorax united, the basal flap cupreous, the rest 

 bluish with a metallic tinge, or sometimes with the sides for two-thirds the 

 length of abdomen golden-green. 



Hub. — Morgantown, W. Va. 



Described from specimens bred by Prof". A. D. Hopkins from 

 Dendroctonus frontalis living in pine, and Polygraphus rufijjenm's m 

 spruce. 



TKANS. AM. ENT. SOC. XXI. (43) SEPIEMBEE. 1894. 



