MIOPIIATXCS. — POLYSinilXCTA. 



205 



formation of the basal segment, which is l)ut vaguely described. 

 In \shmead's arranoement (Proc. U. S. ^'at. Mus. 1900), this 

 <renus is said by its autlior to coine in near Trevona, in tact 

 There is nothing 'in Cameron's description, given above, to exclude 

 it therefrom, except that he phices it in the Pimplixi, and Trcyorm 

 is considered bv Ashmead to belong to the Lissoxotixi. It one 

 admits Ichxeumoxid.e with the areolet pentagonal into the 

 PiMPLix.!^ it becomes in a very great many instances extremely 

 ditlk-ult to draw the line between that subfamily and the Cryptikte, 

 since the only remaining character of value must be souglit in the 

 sessility of the abdomen, a feature of such infinitely minute and 

 numerous modifications in various genera as to be simply be- 

 wildering. I allow Miophatnns to remain here, however, since 

 the basat segment appears to be unusually sessile and, in its case, 

 no doubt seems possible respecting its location. 



142. Miophatnns nigromacnlatus, Cain. 



Miophatnus nigromaculatus, Cameron, Tijds. Ent. 1907, p. 105 ( c?). 



A pale sulphur-yellow species, with black markings. Head 

 with the apices of the basally distinctly punctate mandibles, centre 

 of frons and occiput broadly and continuously, black ; face dis- 

 tinctly punctate. Antenna', excei)t the underside of scape, black. 

 'lliorax with the closely and somewhat strongly punctate mesonotum 

 basally and laterally, and an irregular band on the centre of meta- 

 notum, broadk black; the latter with elongate and mfuscate 

 pilositv the striations stout, centrally sinuate and becomuig 

 laterallv reticulate; proplenrse smooth, mesopleura? irregularly 

 punctate below and obsoletely aciculate centrally, metapleurae 

 strongly but not closely punctate. SciUellam somewhat sparsely 

 punctuate, apically with the postscutellum entirely black. Abdomen 

 with the'base of" all the segments, more than the basal half of the 

 three first, black; second and third segments closely but not 

 St rongly punctate. Ler/s fulvous and paler basally, with the apices 

 of the "hind coxa> broadlv ami irregularly black, as are also the 

 posterior tarsi. W"uu/s 'hyaline, with the stigma and uervures 

 blackish. 



Length 13 millim. 

 SiKKiM {Bingham). 

 Unknown to me. 



Genus POLYSPHINCTA, Grav. 

 Polysphincta, Gravenhorst, Ichii. Enr. iii, 1Sl><), p. 112. 

 Genotype, /r/tnert?)iou percontatorius, 31iill. 



Head shortly transverse, usually nitididous, not buccate, but 

 (renei-idly distinctly narrowed jiosteriorly ; frons deplanate and 

 fili.ditly impressed above the autenntc ; eyes prominent and oval, 



