Mr. \V. L. Distant on Haip?.ctorin£e. 251 



Genus Ploeogastek. 

 Ploeogaster palUdulus. 



Helonotus loallidalus, Walk. Cat. Het. viii. p. 90. n. 5 (1873). 



I have not suflSciently compared this with other described 

 species of the genus to say that it is not a synonym. 



Genus POLIDIUS. 

 Polidius australis, sp. n. 



Ochraceous ; head, pronotum, two discal fasciae to scutelhim, 

 basal area of clavus, sublateral streak to coriura, apical halves 

 of anterior and intermediate femora, apical third of posterior 

 femora, apices of tarsi, and bases of the posterior abdominal 

 spines fuscous ; abdomen beneath with a sublateral black 

 marginal fascia. 



General structure of P. armatissimus^ Stal, but differing by 

 the much shorter lateral pronotal spines, the sulcation of tiie 

 anterior pronotal lobe narrower and more profound, different 

 colour of the head, pronotum, and scutellum. 



Long. 10 millim. 



Hab. N.W. Australia: Adelaide River [J. J. Walker^ 

 Brit. Mus.). 



FOEESTUS, gen. nov. 



Body oblong-ovate ; head elongate, central lobe prominent 

 and spinously anteriorly produced, postocular portion longer 

 than anteocular ; rostrum with the first joint short, about 

 reaching eyes, second joint twice as long as first ; antennaj 

 short, setose, first joint moderately incrassate, about as 

 long as postocular portion of head, second and third joints 

 subequal in length, fourth shortest ; pronotum transversely 

 constricted before middle, disk more or less bicarinate, poste- 

 rior lateral angles more or less prominent ; scutellum small, 

 the apex prominent ; abdomen more or less lobately produced 

 and distinctly centrally sulcated ; femora generally granulous 

 or spinous. 



This genus I have placed in the vicinity of Blapton, Spin. 



Forestas ti/picus^ sp. n. 



Ochraceous ; corium (excluding apical area), membrane, a 

 large spot on fourth and fifth segments of connexivum, base 

 of rostrum, and basal and apical joints of antennae brownish 

 ochraceous 5 a lateral fascia to meso- and metanota, anal 



