230 CHARLES A. BLAKE. 



Spliaroplithalina iiiaera Cresson. 



Male. — Elongate, ratlier slender, black, with long, dense, coarse, black pubes- 

 cence, and close, rather rough punctures ; eyes small, round, entire and very con- 

 vex ; mandibles rufo-piceous at base; antennae black, the flagellum sericeous; 

 thorax slightly narrowed behind, the metathorax rounded, somewhat abrupt 

 behind and reticulate with coarse punctures ; wings blackish, with two or three 

 pale streaks beneath the stigma ; marginal cell broadly truncate at tip, not ex- 

 ceeding the tip of the third submarginal cell ; two distinct submarginal cells, the 

 first about as long as the marginal, the second a little short, much narrowed to- 

 wards the marginal and receiving the first recurrent nervure near the base ; third 

 submarginal cell subrhoniboidal, indistinctly defined, the outer nervure being 

 obsolete ; legs black, with black pubescence ; abdomen petiolate, ovate, much 

 narrowed towards the tip, black, with long, dense, black pubescence above, shin- 

 ing beneath ; large basal segment above orange ferruginous, with pubescence of 

 the same color and close, rather deep punctures ; the node rather elongate, 

 swollen at tip, coarsely rugose, the base depressed, with a short, stout tubercle on 

 each side ; venter shining and sparsely pubescent, the second segment closely 

 punctured. Length 11 mm. : expanse of wings 15 mm. 



Var. P. — Head and thorax black, with grayish pubescence ; abdomen more or 

 less reddish . 



Hab. — Texas. 



Closely allied to S. fenestrata 8t. Farg., (the supposed male of iS. 

 ferrugata Fab.) but is distinct. 



SpIia>roi>htlialiiia apicalata Blake. 



Male. — Head round, black, clothed with pale golden pubescence ; antennae 

 black ; eyes round, prominent ; thorax coarsely punctured, pro- and metathorax 

 clothed with scattered pale golden pul)escence, the latter roundly truncate, scu- 

 tellum black; wings fuscous, paler about the middle, marginal cell sublanceolate, 

 rounded at tip, first submarginal as large as marginal, second suljtriangular, re- 

 ceiving the first recurrent nervure about the middle, third extending as far as 

 the marginal ; tegulse large ; legs black, clothed with pale glittering hairs, calcaria 

 white ; abdomen petiolate, petiole black, closely punctured, clothed with erect 

 silvery hairs ; second segment ferruginous, finely jiunctured, apical margin black, 

 disc clothed with scattered erect hairs, third, fourth and fifth segments clothed 

 with silvery pubescence, apex black ; under side same as above. Length 11 mm. ; 

 expanse of wings 19 mm. 



Var. a. — Second abdominal segment entirely ferruginous ; third, fourth and 

 fifth segments spar.sely clothed. 



Hab.^ — Mexico. Prof. F. Sumichrast. 



Spliaroplitlialina canella Blake. 



Male. — Black ; head narrower than the thorax, subquadrate, posterior angles 

 rounded, closely punctured, clothed with long l^lack erect hairs, eyes large, round, 

 convex ; antennte black, having the scape clothed with scattered black hairs ; 

 thorax subquadrate, narrowed posteriorly, mesothorax elevated, closely punc- 

 tured, metathorax roundly truncate, having the punctures much coarser and 

 denser ; wings moderate, blackish, paler about the middle, marginal cell abruptly 

 truncate at tip ; three sul)margiual cells, the .second subtriangular, receiving the 



