Mr. W. L. Distant on Australasian Pentatomidse. 585 



and dark grey, the latter forming terminal blotches irregu- 

 larly defined by a fine whitish line, edged with silver at apex; 

 vein 4 beyond postmedial rather heavily shaded with black. 

 Hind wings soiled white, thinly scaled ; the costal and inner 

 margins broadly fuscous, the outer margin narrowly so. 



Expanse, £ 77, ? 94 mm. 



Some specimens are considerably smaller. 



Hob. Juan Vinas, Tuis. 



LXIII.— Rhynchotal Notes.— LII. By W. L. Distant. 



Australasian Pentatomidse (concluded from p. 481). 



Myappena, gen. nov. 



Head about as long as broad between eyes, the lateral 

 lobes considerably divergently spinously produced in front 

 of the apex of the central lobe, the lateral lobes are also 

 longly longitudinally produced from near their base to the 

 base of the first joiut of the antennas ; ocelli near eyes ; 

 antenniferous tubercles prominently spinous externally ; 

 antennas four-jointed, first joint stoutest, sparingly strongly 

 hirsute, longly produced in front of head, second joiut about 

 twice as long as first, third and fourth subequal, each much 

 shorter than second ; pronotum about half as long as breadth 

 between the lateral angles, the lateral margins strongly 

 sinuate and in front of the posterior angles dentate, the 

 angles shortly obtusely spinously subprominent, basal margin 

 truncate in front of scutellum, anterior margin slightly con- 

 cave; scutellum much longer than broad at base, the apical 

 area attenuated, a small black foveate spot at each basal 

 angle ; corium about as long as pronotum and scutellum 

 together, the lateral margins a little rounded, the apical 

 margins oblique ; membrane passing the abdominal apex, 

 the veins longitudinal ; rostrum passing the anterior coxie 

 first joint about or almost reaching base of head, second and 

 third joints subequal in length ; abdominal segments 1-5 

 with a transverse strigose vitta behind the spiracles ; legs 

 moderately long, posterior legs longest, posterior femora 

 sulcate beneath and with two short spines near apex ; tarsi 

 triarticulate, 



This genus appertains to the group of genera distinguished 

 as Platycoraria, Bergr. (a name since altered by Kirkaldy to 

 Diemeniini). 



Ann. & Mag. X. Hist. >Ser, 8, Vol, vi, )\\) 



