Braconidic in the British Museum. 55 



lateribus flavis ; alis pallide fuscis, stigmate venisque nigris ; 

 terebra abdomine paullo longiore. 

 Loug. 11 mm. ; terebrae long. 5| mm. 



? . Very similar to australiensis and erythrothorax, 

 differing trora both in the black head and in the more 

 distinct longitudinal striation of the first tergite. The 

 spine of the hind coxae is pale, not black as in 

 erythrothorax. 



Hah. Mackay, Queensland {Turner). 



Liodoryctes australiensis, Szep. 



Acanthi ihr aeon australiensis, Szep. Termes. Fiizetek. xxv. p. 48 



(1902). cS- 

 Neotrimorus australiensis, Szep. Wytsman's Genera Insect, xxii., 



Braconidae, p. 64 (1904). 

 Liodon/ctes australiensis, Sz£p. Ann. Mus. Nat. Hangar, iv. p. 599 



(1900). 



This species is variable in colour, the tergites are usually 

 fulvous brown, with the basal segment and sides of the 

 second pale yellowish, but in a specimen taken by me at 

 Kuranda in May 1913 the brown is replaced by black. 

 Ovipositor distinctly longer than abdomen. 



Hab. Cooktown (D. Le Souef); Kuranda and Mackay 

 ( Turner) . 



Genus Acanthodoryctes, gen. nov. 



Front strongly concave between the anterior ocellus and 

 the base of the antennae ; prouotum depressed, armed with 

 two spines ; basal half of the scutellum depressed and 

 coarsely striated ; first tergite as broad at the apex as long, 

 coarsely longitudinally striated, second tergite punctured- 

 striate on the rounded basal area ; second abscissa of the 

 radius about twice as long as the second transverse cubital 

 nervure ; radial cell of hind wing not divided, discoidellan 

 cell not divided. Ovipositor nearly as long as the abdomen. 



Key to the Species of Acanthodoryctes. 



1. Spines of the pronotum strong, upright, and 

 acute; median segment covered with close- 

 lying hairs, without carina? on the basal 



half ; head yellow A. morleyi, Frogg. 



Spines of the pronotum reduced to tubercles ; 



