24 INSECUTOR INSClTI^t MENSTRUUS 



abdomen coarsely striate-punctate, tubercles at apex of abdomen small, 

 blunt. 



Described from one female from Las Vegas Hot Springs, New Mex- 

 ico, with the date "10.8" collected by Barber and Schwarz. 



Type specimen. Cat. No. 1 8229, U. S. Nat. Mus. 



Urosigalphus nigripes, new species. 



FemjJe : Length about 4 mm. Black, the legs dark brown, posterior 

 legs almost black ; face rather finely punctured, the punctures about a 

 puncture width apart ; on vertex the punctures sparser, antennae broken, 

 only 1 2 joints remaining ; middle lobe of mesoscutum with the punctures 

 slightly larger than on face, posterior part covered by about six large 

 foveae ; latercJ lobes with the punctures slightly smcJler and somewhat 

 sparser ; scutellum rugoso-punctate, the extreme center smooth, with a few 

 small punctures ; wings hyaline, stigma brown, veins light brown ; pos- 

 terior face of propodeum surrounded by a strong carina, the superior face 

 with an elevated medizJ admost circular carina, the surface laterad of this 

 coarsely rugose ; abdomen strongly longitudinaJly rugose, punctured be- 

 tween the rugae ; apically the rugae becoming indistinct and the punctures 

 coarser ; apex of the abdomen wathout tubercles, ovipositor short, pro- 

 jecting only slightly beyond apex of abdomen. 



One specimen with the Bureau of Entomology, U. S. Department of 

 Agriculture note No. 2610°, the note stating that the specimen came 

 from a twig gall on oak collected at Fort Grant, Arizona, the specimen 

 issuing July 27, 1882, 



Type specimen, Cat. No. 18230, U. S. Nat. Mus. 



The manuscript name used by Dr. Ashmead is adopted. 



Urosigalphus punctifrons, new species. 



Male : Length about 4 mm. Black, the coxae dark brown, legs light 

 reddish, the posterior tibiae somewhat infuscated, their tarsi darker ; face 

 with rather fine punctures less than a puncture width apart, the clj^jeus 

 smooth except at lateral margins and a very few scattered punctures near 

 upper margin ; punctures on the vertex somewhat sparser and larger than 

 on face, those on post- vertex slightly larger ; antennae 1 5 -jointed, middle 

 lobe of mesoscutum at sides and rear coarsely rugoso-punctate ; medially 

 shiny, finely punctured and with a single row of coarse punctures along 

 median line ; extreme anterior portion finely punctured ; lateral lobes with 

 punctures about as on disk of middle lobe ; scutellum rugoso-punctate ; 



