THE CANADIAN ENTOMOLOGIST . 145 



2. Pachytomoides greeni (Crawford). 



Podagrion greeni Crawford, 1912,* pp. 3-4; fig. 1. 



This Cingalese species reared from the eggs of a mantid must 

 be referred to this genus, though the female bears an abdominal 

 petiole. Otherwise, it agrees with the species generically. 



NEW ICHNEUMONOIDEA PARASITIC ON LEAF- 

 MINING DIPTERA. 



BY A. B. GAHAN, MARYLAND AGRICULTURAL EXPERIMENT STATION. 



With a single exception the type specimens of the seven sup- 

 posed new species described in the following paper were furnished 

 by Prof. F. M. Webster, of the United States Department of Agri- 

 culture, and the designated hosts are on his authority. The types 

 of one species were reared by the writer. 



Family BRACONID^. 

 Sub-family Opiina?. 



Opius utahensis, n. sp. 



Female. — Length, 2.25 mm. Head transverse; vertex, temp- 

 les, cheeks and occiput smooth and polished with sparse whitish 

 hairs, the frons bare except along the eye margins; face with dis- 

 tinct round punctures and moderately hairy; clypeus fitting closely 

 to the mandibles; mandibles without a notch on the ventral margin; 

 antennae longer than the body, pubescent, 32-jointed in the type, 

 the first flagellar joint one-third longer than the second. Pro- 

 pleurse with very fine reticulate sculpture ; mesonotum with a median 

 dirnple-like impression before the scutellar fovea, parapsidal fur- 

 rows deeply impressed at the anterior lateral angles, but entirely 

 effaced on the disc; mesopleurae reticulately sculptured on the 

 disc, with a broad, rugose or foveolate furrow along the dorsal and 

 anterior borders joining a similar furrow which separates the meso- 

 pleura? from the mesosternum; propodeum and metapleura? strong- 

 ly rugose. Wings hyaline, stigma lanceolate emitting the radius 

 at about the basal one-third; the radius strongly angulated at the 

 second cubital cross vein, attaining the margin of the wing some 

 distance abo\-e the extreme wing apex, its first abscissa less than 



*Pi-oc. U. S., National Museum, \'ol. 42. 

 May, 1913 



