Dec, 1907.] Crawford : New North American Hymenoptera. 179 



J' . — Entirely green, not so yellowish in color as the 9 > antennte all dark, legs 

 testaceous, coxae and femora except apices green ; sculpture of abdomen coarser than 

 in 9 . Length about 2 mm. 



Locality. — Hudson, Mich., Webster, No. 3375 (W. J. Phillips 

 coll.) ; Richmond, Ind., Webster, No. 2216 (W. J. Phillips coll.) all 

 from Isosoma in wheat. 



Type. — No. 10043, U. S. National Museum. 



Microdontomerus, new genus. 



Type. — Torymiis anthoiwiiii Crawford, Can. Ent., XXXIX, 133, 

 1907. 



The head and thorax with thimble-like punctures, the antennae 

 slightly clavate, the joints fitting closely, metathorax with a median 

 carina and several short ones on each side of the median one ; teeth 

 on hind femora minute. 



Eridontomerus, new genus. 



Type. — E. primus Crawford. 



Punctures of head and thorax thimble-like ; antennge distinctly 

 clavate, the joints close fitting; hind femora with small teeth, two or 

 three of the largest distinctly almost semicircularly emarginate at apex ; 

 metathorax similar to Ditropiuotus. 



Eridontomerus primus, new species. 



9 . — Head and thorax rather brassy green, face bronzy ; abdomen black 

 tinged with brassy on sides ; antennae dark becoming reddish apically ; punctures of 

 head and thorax coarse ; femora except tips black with greenish reflections ; tibiae 

 medially brown, tips of femora, bases and apices of tibiae testaceous, tarsi whitish ; 

 carina of metathorax strong, foveae between the carinae not deep, the outer ones very 

 distinct; rest of metathorax finely roughened; abdomen reticulately lineolated. 

 Length about 2.5 mm. 



$ . — Similar to 9 but green brighter, not brassy ; femora and hind tibise except 

 bases and tips green ; knees, tibije and tarsi whitish ; antennae dark, the tips only 

 slightly lighter. Length 1.5-2 mm. 



Locality. — Richmond, Ind., bred from Lsosoma in timothy (W. 

 J. Phillips), Webster, Nos. 2895 and 2207. 



Type. — No. 10044, U. S. National Museum. 



Tribe Pediobiini. 

 Eriglyptus, new genus. 



Type. — E. robiistiis Crawford. 



Form robust, convex, head and thorax with coarse thimble-like puntures, an- 

 tennae 8-jointed with no ring joint, the joints loosely joined, club 3-jointed hardly 



