THE CANADIAN ENTOMOLOGIST, 125 



wide domains of unreason, upon which we all trespass during our earthly 

 journeyings, and where many of us, I am afraid, almost permanently 

 reside. 



STUDIES OF THE NORTH AMERICAN PROCTOTRUPID.^, 

 WITH DESCRIPTIONS OF NEW SPECIES FROxM FLORIDA. 



BY WILLIAM H. ASHMEAD, JACKSONVILLE, FLORIDA. 



Sub family Platygasterin^. 



In this second paper on the North American Proctotriipidce, I have 

 taken up the sub-family Platygasterince, comprising, for the most part, 

 small black species, all parasitic in larvse belonging to the Dipterous 

 families Cecidomyiidce and Tipulidce. 



It will be seen that I have recognized in our fauna species in all of the 

 described genera but Iphetrachelus Haliday, and one new genus parasitic 

 on Cecidomyious hickory galls. 



XLVI. Iphetrachelus Haliday. 

 XLVII. Allotropa Foerster. 



74 (i). Allotropa Americana, n. sp. 



^ . Length, .07 inch. Black, sub-opaque, finely punctate, scape and 

 legs pale brown. Antennae 9-jointed, terminating in a 4-jointed club, 

 joints serrate, flagellum and club dark brown. Mesothorax with two 

 grooves. Scutellum convex, rounded posteriorly. Abdomen black pol- 

 ished, first and second segments striate, the second segment greatly 

 lengthened. Wings hyaline. 



Hab. — Florida. 



XLVI 1 1. Metaclisis Foerster. 



75 (i). Metaclisis belonocncmce, n. sp. 



%. Length, .07 inch. Black, finely punctate. The lojointed 

 antennae and legs pale brown. Thorax with two grooves. Wings hyaline. 



Hab.— Florida. 



Described from one specimen, reared in April, 1883, from galls. 

 Beloiiocnenia Trctce Mayr, probably parasitic on a Cecidomyious guest 

 fly inhabiting this gall. 



