PARASITIC HYMENOPTERA. 189 



SYNERGUS Hartig. 

 SyiicrgiiN agrifolite sp. n. 



9.— Length 2 2.4 mm. Brownish yelh)\v, the leg.s and coxfe paler, the meta- 

 thorax dusky; ocelli, eyes and mandihles l)hi('k, or hrown-hlack. The face and 

 pleura are finely striated, head and thorax finely minutely rugose, ])uhescent, 

 the parapsidal furrows wanting, the fovese of scutellum small, shallow, hardly 

 apparent; anteniife i;}-joi!ited, flagellar joints 2 i>nd 3 equal, little shorter than 

 the first. Tlu! abdomen is not quite as long as the head and thorax combined, 

 slightly compressed, and vertically it is almost as wide as long with tlie tips some, 

 times dusky. Wings hyaline, j)ubescent, the veins pale or liyaline, the areolet 

 distinct, but the closing vein very delicate: in two specimens it is absent. 



Tlie % is but 1.5 mm. long, and, excepting the black eyes and ocelli, entirely 

 l)rownish yellow. 



Hub. —Los Angeles, Cal. 



Described from thirteen specimens, hred by Mr. Albert Koebele 

 from a gall not unlike Xenrotcni.s HaltatoriuH Edw. occurring on 

 Que re US iic/rifolia. 



^iy■ler;;l■!<t atri|M'iiiiiM sp. n. 



9. — Length .3.4 mm. Stature similar to <*?. pomifonni.i Ashm. Head brown, 

 the vertex, occiput, mandibles, thorax, petiole and wings black; head and thorax 

 minutely rugulose, the mesonotum transversely rugulose, the face and pleura, 

 except at middle, coarsely striated. The antennje are long, filiform, and remark- 

 able in having fifteen distinct joints : mesonotal furrows distinct ; S(uitellar fovese 

 shallow, poorly defined, while the cubital, areolet and marginal cells are closed. 



Hub. — Crescent City, Fla. 



Described from five specimens bred June 28, 188.'>, by i\Ir. Henry 

 <jr. Hubbard, from Holcaspu ficnla Bass. 



The black wings and l.^-joiiited aiitennie readily distinguish the 

 species. 



Syii('i*$;ii!$ brevic'ornis u. sp. 



9. — Length 2.y-3 mm. Stature similar to N. Ueviventris, but the sculjtture of 

 the thorax is more rugose, the abdomen proportionately shorter, the ventral valve 

 Itrojects slightly, and tlie anteniui; reach back only twxi-thirds the length of tho- 

 rax. Vertex of head, thorax and abdomen black ; orbits cheeks, face, antenna- 

 and legs, brownisli yellow, the dei)th of color often varying; middle and poste- 

 rior coxae l)lack, the front pair often dusky basally. postei'ior femora often more 

 or less clouded ; antennae 13-iointed, filiform, the third joint one-third longer 

 than fourth ; face and mesopleura rather coarsely striated ; scutellum rounded, 

 depressed at base with two distinct foveie : the grooves of the mesonotum rounded, 

 almost obsolete by the coarse sculpture. Abdomen highly i)olished, the second 

 segment entirely hiding all the others and gaping open at apex, in con.sequence 

 the ventral valve projects, is brownish and armed with a slight spine. Wings 

 liyaline, pubescent, the veins ])ale, the suhmarginal and marginal veins brownish 

 apically ; areolet large, closed, the cubital cell only i>artially clo.sed. 



The %, is but 1.8 mm. long, with the head wholly, except stemmaticum, and 

 the legs, including coxa*, brownish yellow. The aiitennie are short, l.")-jointed, 

 the third joint long, strongly exci.sed, the ai)ical joint l)rown. 



Hub. — Eldorado ('ounty, California. 



TRANS. AM. KNT. SOC. XXllI. .Jl NK, 189(). 



