72 THE CANADIAN ENTOMOLOGIST. 



STRAY NOTES ON MYRMELEONID.E, Part 4. 



BY DR. H. A HAGEN, CAMBRIDGE, MASS. 



(Continued from vol. xx., page 60.) 



6. Brachynemurus nigrilabris Hagen. N. sp. 



Very similar to B. peregrinus. Face yellow, above with a large black 

 band, which is rounded below and reaches nearly the clypeus ; this band 

 is going between and around the antennae and connected above with the 

 black part covering the whole anterior half of the vertex ; posterior half 

 yellow with a broad black longitudinal band, dilated angularly in middle ; 

 the angle sometimes protracted on each side in fine line, which does not 

 reach the eyes ; labrum shining black ; palpi yellow, last joint of the 

 maxillary cylindrical black ; labials a little longer, last joint shining black, 

 fusiform, sharply pointed, less inflated than in B. peregrinus. Antennae 

 longer than head and prothorax, fuscous, the apex nearly luteous ; of the 

 male, 8. 5 m. m. long ; of the female shorter, 7 m. m. long, visibly more 

 clavate. Prothorax a little longer than broad, rounded, before yellow, 

 with two approximate black bands, reaching the front margin, connected 

 below with a shorter black external band, which reaches only the trans- 

 versal furrow ; a black line below the side margin ; mesothorax black with 

 two yellow dots in front, and two on each side near the wing ; on the disc 

 two yellow triangles in opposite position ; hind middle portion yellow, 

 with the anterior margin and two longitudinal bands black ; metathorax 

 similar, a black dot in the yellow triangles ; sides of the thorax black with 

 a few yellow stripes. Abdomen faintly villous, brownish, below fuscous, 

 articulations pale ; of male much longer than wings, three last segments 

 blackish ; appendages very short, pale brownish, hairy, cylindrical, blunt ; 

 between them and below a short pyramidal part; abdomen of female as long 

 as wings, similar, articulations pale, last segment pale, on each side a dark 

 spot ; genitals pale, superior part split, with a row of strong black spines \ 

 below two short pale cylindrical appendages. Legs yellow, with black 

 spines, femurs with a black band externally on the two hind pairs, with a 

 black spot on tip of fore legs ; tibia internally with a black line, those of 

 fore legs variegated with brown ; tip of tarsal joints faintly black ; spurs 

 brown, as long as the two basal joints. Wings hyaline, pterostigma 

 white ; venation brown interrupted with pale ; subcosta and mediana 



