NEW MISCELLANEOUS CHALCIDOID HYMENOPTERA WITH NOTES ON DESCRIBED SPECIES. By A. A. GiRAULT. Ablerus peruviana new species. Female: Length, about 1.10 mm. Ovipositor half the length of the abdomen, white tipped. Dark metallic green, the following parts silvery white: Vertex, scape except bulb and middle, apical half of the pedicel, funicles 2 and 4, trochanters, knees, tips of tibise and middle three joints of the tarsi. Venation dusky, base of marginal vein and the stigmal vein pale. Fore' wings with a distinct, oblique (caudo-distad) , sooty cross-stripe from the distal two-thirds of the marginal vein and the side of the stigmal. Marginal fringes of the fore wing short, the longest not an eighth of the greatest wing width. Pedicel somewhat longer than wide, barely shorter than funicle 1 which is over twice longer than wide; funicle 2 thrice longer than wide and longest, 4 slightly shorter than 2, 3 shghtly longer than wide. Club longer than the two preceding joints combined. Mandibles tridentate. The male is about the same but the antennae are wholly black; funicle 3 wider than long, the others subequal and nearly thrice longer than wide; club unjointed, longer than the. funicle joints (any one). From a pair on a slide in the U. S. N. M., from Coscomba, Peru (C. H. T. Townsend). Types: Catalogue No. 19929, U. S. N. M., the above specimens. Pentastichus xanthopus Ashmead. The antennae are as in Telrastichus, the two ring-joints rather large and distinct but the club is only 2-jointed and with a short terminal nipple. Sculpture usual. Fore wings as in Tetrastichus, the marginal fringes barely longer than usual (/. c, not extremely short). Venation yellow. Thorax as in Tetrastichus. Dark metallic green. Legs and antennae golden yellow. Propodeum short, with at least a median carina. Funicle joints subequal, but 1 a little longer than wide, 2 and 3 each a little wider than long. The genus is valid. Original description otherwise correct. From 1 d^, 2 9 types in U. S. N. M. (9 wings, 3 antennae and head on a slide) . 291
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