THE CANADIAN ENTOMOLOGIST, 223 



propleurse rugose, mesopleurse and metapleurse finely rugoso-punctate ; 

 wings dusky, the marginal vein punctiform and with an infiiscated spot ; 

 the stigmatal vein distinct, not longer than the infuscated spot at the 

 marginal vein; segments 1-5 longitudinally striate, the apical margins of 

 the segments smooth ; basal two-thirds of segment 3 irregularly reticulately 

 rugose, the longitudinal strise the stronger; segments 4 and 5 with fine 

 transverse striae between the longitudinal ones ; segment 6 rugose ; 

 segment 2 strongly depressed basally ; venter longitudinally striate. 



Male unknown. 



Host : The eggs cf Cyrtacanthacris septemfasciata Serville. 



Type locality : Zambesi River, Africa. 



Type No. 13 143, U. S. N. M. 



Described from eight specimens from material collected in December, 

 1908, by Mr. C. W. Howard, after whom the species is named. 



The colour of the legs varies in some specimens, the femora and 

 tibiae being reddish, without any trace of dusky suffusion. 



Family Eulgphid^e. 

 Tetrastichiis periplanetce^ n. sp. 



Female. — Length about 2 mm. Dark green, the extreme apex of 

 femora, the tibiae and the tarsi testaceous ; antennae dark brown, the scape 

 testaceous ; antennae with one ring joint ; pedicel somewhat more than 

 half the length of the first joint of the funicle \ first joint of funicle slightly 

 longer than the second, this slightly longer than the third ; club of antennae 

 distinctly three-jointed, almost as long as joints 2 plus 3 of funicle ; head 

 and thorax closely, finely lineolate, the vertex and pronotum with a few 

 scattered punctures; median groove of mesonotum very distinct ; meta- 

 notum and propodeum with very fine shallow thimble-like punctures; 

 median and lateral carinje of propodeum very strong, the lateral ones 

 bifurcate posteriorly, the outer branch of the carina running to the hind 

 coxae ; propodeal spiracles large, oval, the area immediately surrounding 

 them smooth ; prepectus and metapleurae with thimble-like punctures ; 

 lower two-thirds of mesepisternum reddish and with fine thimble-like 

 punctures ; rest of mesepisternum and mesepimerum almost without 

 sculpture ; wings hyaline, the veins almost colourless ; hind coxae on outer 

 side rugose. Male unknown. 



Host : Eggs of Periplaneta americana Linnaeus. 



Type locality : Lourenco Marquez, Africa. 



Type No. 13144, U. S. N. M. 



Three specimens reared by C. W. Howard, together with numerous 

 specimens of Tetrastichus Hagenowii Ratzeburg, 



