152 PIMPLINE ICHNEUMONIDAE 



hyssa, Rhyssa, and Epirhyssa by its entire abdominal sterna, 

 areolated propodeum, and by the excavations on the nota of the 

 second and third abdominal segments, and may be distinguished 

 from Apechoneura by the absence of a carina between its antennae. 



Unlocated Species 



Thalessa ? histrio Kreichljaumer 



Thalessa? histrio Kriechbaumer, Ann. Naturh. Hof-Mus., Wien., v, p. 

 487, cf. 



"Head, thorax, and feet black, varied with rufo-flavous, abdomen rufous, 

 base black segments 1 and 2 banded, 3 on both sides, apical spots flavous. 

 Wings hyaline, stigma flavous, this sunken triangular spot and apex of the 

 wings fuscous, areola wanting. Length, 13 mm. Because of the absence of 

 the areola perhaps forming a proper genus, which I have omitted to establish 

 since the female as yet unknown might fail to show the very imperfect charac- 

 teristic marks. Head flavous, apex of mandibles, eyes, occipital bands be- 

 neath on both sides reddish, ocellar region, the line on the vertex joined with 

 it, and antennae black, of this the first two segments beneath, the upper line 

 and two facial sutures rufous. Thorax black, nearly the whole margin of 

 the anterior pleura, pronotum, two longitudinal striae and two punctures 

 before the mesonotum, striae below the wings, tegulae, scutellvma, postscutel- 

 lum, three lateral metathoracic spots, tip of dorsum near place of junction, 

 slightly golden-yellow. Nearly the whole of the anterior coxae, the posterior 

 above and on the sides flavous, summit angulated and below fuscous, anterior 

 trochanter flavous, dark punctured, posterior ones fuscous, top flavous or 

 rufous, hind part more or less fulvous, in front flavous, above rufous, bended, 

 on both sides, posteriorly below fuscous lined, posterior rufous, top flavous, 

 anterior tibiae and tarsi flavous, posterior rufous, base of exlerior radial nervure 

 of wing irregularly bent. Forceps on the last anal segment short on top, 

 simimit triangularly greatly impressed, segments straight. Ends of segments 

 abruptly truncated. 



Habitat: White Mountains." 



