Vol.Xxix| ENTOMOl^OGlCAL NEWS. 25I 



Dicranoctetes angularis n. sp. 



Face and palpi silverj' ; a spot at the base, in the middle and tip of 

 the terminal segment of palpus black ; head and antennae gray. 

 Thorax and fore wings gray shading outwardly to brownish black. 

 Just beyond the middle is an angulated white fascia almost inter- 

 rupted in the middle by the blackish ground color. Costal and apical 

 cilia white ; two nearly perpendicular black streaks in the costal 

 cilia ; a black streak extending outward into the apical cilia, with a 

 faint streak branching obliquely upward from it. A black apical 

 spot. Cilia below the apex gray, with a black line through them 

 starting a little below the apex. Hind wings and cilia gra3^ Legs 

 silvery, fore and hind tarsi gray. Expanse : 7 mm. 



Locality : Mountain Lake Park, Maryland, July 26. 

 Type in author's collection. 



Description of a New Periclistus (Cynipidae, Hym.). 



By William Beutenmuller, New York. 



Periclistus castanopsidis, sp. nov. 



9 . Head yellowish brown, face striately punctate, vertex and 

 cheeks finely punctate. Antennae 14-jointed, yellowish brown, some- 

 what darker terminally. 



Thorax black, collar yellowish brown or black, finely punctate and 

 pubescent. Parapsidal grooves almost continuous, not quite extend- 

 ing to the collar and most distinct at the scutellum ; the grooves are 

 parallel to about the middle, then curve inwardly to the scutellum 

 where they are moderately widely separated. Anterior parallel lines 

 exceedingly fine and scarcely evident. Median groove wanting. Lateral 

 grooves scarcely evident. Pleurae black, striate, with a large black, 

 glossy area. Scutellum black, rugose, basal fovea large. 



Abdomen yellowish brown with a large brown-black dorsal patch, 

 smooth and shining. 



Legs pale yellowish brown. Wings hyaline. Radial area closed. 

 Cubitus continuous. Areolet large. Length, 2.25 mm. 



Habitat: Truckee, California (H. G. Dyar). 



Described from two females reared from galls of Andricus 

 castanopsidis Beutm., on Castanopsis chrysophylla, March 

 14, 1914. It is a guest-fly. 



Type : Collection United States National Museum. Co- 

 type : Collection of Wm. Beutenmuller. 



