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) . 



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