On new or Uttle-known Species 0/ Tliynnidge. 131 



XVIT. — Remarks on some neio or litth-knoion Species of 

 Ihynnidse [Hymenopfera). By ROWLAND E. Turner, 

 F.Z.S., F.E.S. 



Bhagigaster mandihularis, Westw. 



This species is quite distinct from tiie Victorian form of 

 R. u7iicolor, Guer. The male may be distinguished by the 

 tubercle on the mandibles and the absence of the lateral spines 

 at the base of the hypopy^ium and the female by the much 

 greater breadth of the head. 



Telephoromyia tridentifera, sp. n. 



^ . Mandibles tridentate, the outer tooth much the longest. 

 Clypeus short, slightly convex, with an obliquely depressed, 

 concave, semicircular area on the middle of the apical margin, 

 resembling a small but deep emargination, a minute tubercle 

 above the base of the depression. Antennge further from 

 each other than from the eyes, rather longer than the thorax 

 without the median segment, the apical joints arcuate ; the 

 interantennal prominence bilobed, a delicate median carina 

 on the front almost reaching the anterior ocellus. Pronotum 

 narrower than the head ; the mesonotum as long as broad, 

 with two longitudinal sulci on each side, the inner one much 

 the deepest ; scutellum rounded posteriorly ; median segment 

 longer than broad, with an obscure median sulcus from the 

 base to the apex. Punctured; most finely and closely on the 

 head, very sparsely on the scutellum, and rather sparsely on 

 the abdomen. First abdominal segment with a sulcus from 

 the base to the middle, the groove between the first and 

 second ventral segments shallow. Abdomen elongate, longer 

 than the head, thorax, and median segment combined, nar- 

 rowed at the extremities. Epipygiura narrowed to the apex 

 and almost pointed, the hypopygium projecting beyond the 

 epipygium, narrow, the sides almost parallel, deeply tri- 

 angularly emarginate at the apex. 



Black; the mandibles broadly in the middle, the clypeus 

 above the depression broadly, two spots between the antenuge, 

 the inner margin of the eyes broadly as high as the base of 

 the antennge, a spot at the summit of the eyes, a spot between 

 the posterior ocelli, a line behind the eyes connecting with a 

 crescentic mark on the vertex, the posterior margin of the 

 pronotum, a spot on either side of the pronotum near the 

 middle connecting with the posterior band, an oblique mark on 



