374 Mr. W. L. Distant on Australasian Pentatomidre. 



second, black with its base pale testaceous, remaining joint 

 or joints mutilated in type ; pronotum thickly blackly 

 punctate, a distinct impunctate spot at middle of anterior 

 area, lateral margins strongly concavely sinuate and shortly 

 dentate, the posterior angles slightly produced with a short 

 acute spine at their apices ; scutellum a little shorter than 

 breadth of pronotum at base, a little gibbous on basal area, 

 after which it is distinctly transversely depressed, irregularly 

 blackly punctate, centrally longitudinally, more or less dis- 

 tinctly impunctate ; corium more or less thickly blackly 

 punctate, with a short narrow oblique discal impunctate 

 fascia ; membrane testaceous, the veins reticulate and black ; 

 body beneath and legs paler than above, somewhat sparsely 

 blackly punctate, two black fasciae at middle of mesosternum ; 

 rostrum with its apex black and reaching apex of second 

 abdominal segment, basal joint not passing base of head, 

 second joint longer than the third and fourth joints together ; 

 abdomen finely centrally longitudinally sulcate for about its 

 basal half ; tibise a little more sparsely blackly punctate than 

 the femora. 



Long. 15| mm.; exp. pronot. angl. 8 mm. 



Hab. Centr. Australia; Hermannsburg (fJ. J. Hillier, 

 Brit. Mus.). 



Genus Theseus. 

 Theseus, StSl, OfV. Vet.-Ak. Foih. 1867, p. 508. 

 Type, T. modestus, Stal. 



Theseus lyricus. 

 Spudaus lyricus, Dist. Ann. & Mag. Nat. Hist. (7) iv. p. 424 (1899). 

 Hab. N.W. Australia. 



Theseus turneri, sp. n. 



$ . In structure and colour closely allied to T. lyricus, 

 Dist., differing by the antennae, which are brownish ochra- 

 ceous, third joint piceous and distinctly shorter than second, 

 not second and third joints almost subequal in length as 

 in T. lyricus; scutellum longer, the apex more elongate, 

 ochraceous and levigate ; abdomen beneath with the sub- 

 lateral black margins broader and the abdominal margins 

 also irregularly black ; male anal segment much produced 

 beyond the apex of the abdomen, its lateral angles very 



