DY ARTHUR 11. LEA. 385 



pubeseence. The female (there are several pairs taken in cop- before me) ditfers 

 fi'om the male in being- slightly larger, the head, except for a small part of the 

 muzzle, and prothorax of the same bronzy or brassy colour as the elytra, and the 

 prosternuin entirely black; its head is smaller, antennae, especially the joints of 

 the club, thinner, prothorax more rounded in front and with more distinct' 

 punctures, distance across junction of jirothorax and elytra less, abdomen more 

 convex, and with a large apical fovea, and legs, especially the front ones, shorter 

 and thinner. 



The species occurs in New South Wales, Victoria and Tasmania, and is some- 

 times common on species of Dilwi/iniia and Pulteiiaea. In general appearance 

 it is close to a specimen I have identitied a.s T). riificolhs, but the elytra are not 

 at all green, the head is densely punctured and obliquely strigose. with a con- 

 spicuous median line, eyes larger, etc.; the specimen of riificollJx has the inter- 

 ocular space with sparse and snuiU jiunctures, and is without an impressed median 

 line there. 



DiTROPiDUs SEREXUS Baly. 



This sjjecies varies considerably in length. 2.2.3 — 3.. 5 mm., and the smaller 

 specimens usually have a rather wide space at tlie apex of the elytra infuscated; 

 on two small males the elytra are slightly infuscated throughout. It occurs in 

 Victoria, as well as in South Australia. 



DlTROPIDUS ORXATUS Billv. 



A specimen from Murray Bridge (South Australia) appears to Ijelong to 

 this species, but differs from an undoubted one of it (from Western Australia) in 

 having the jjubescence on the head ^very feeble, and the two pale parts on each 

 elytron disconnected, owing to the black submediau fascia extending to both the 

 suture and sides. Three other (old) South Australian specimens, also appear to 

 belong to the species, but have the inter-ocular space glabrous ; the prothorax has 

 a dark green gloss and the dark parts of the elytra a purplish gloss, their mark- 

 ings, except for slight differences of detail, are as on the Murray Bridge specimen. 



DlTROPIDUS PULCHELLTTs Baly. 



This species ranges 3.25 — 4.. 5 mm. in length; the pale elytral markings vary 

 from bright flavous to a moderately dark red, but appear to be always paler 

 than the prothorax ; the latter is usually without diseal marking's, but occasionally 

 has a black transverse median fascia, or there may be a scries of spots represent- 

 ing the fascia. I cannot distinguish the species stracturally from ornaUi.i. 



DlTROPIDUS C'ORxuTus Baly. 



A curious species readily distinguished by the armed muzzle of the male, the 

 processes on the clypeus and mandibles, however, vary somewhat in size. The 

 upper surface usually has a slight brassy-green gloss ; on the elytra of the male 

 there are usually four dark blotches, sometimes only two; on the female the 

 blotches are usually scarcely in evidence; the male also has most of the under- 

 surface black, on the female usually only the nietasternum is infuscated. The 

 types were from "Australia" ; the specimens before me are from Western Aus- 

 tralia (Warren Eiver and Karridale) . 



