tlSI OF HOMOPTEBOUS INSECTS. 



16. Triecphoka MACOLATA. 



Rtifa ; ala anticie fusco unifasciata et himaculaiac. 



Bright red : head and chest finely punctured : crown with a 

 longitudinal suture on each side of the disk ; epistoma with a flat 

 linear front, which is conical towards the mouth, the latter has a 

 hlack tip : feet and tips of shanks hlack : fore-wings thickly punc- 

 tured, with a broad, dark brown, slightly oblique band across the 

 middle, and with two large dark brown spots, forming an interrupted 

 band near the tip: hind-wings almost colourless; veins black. 

 Length of the body 2 lines ; of the wings 6 lines. 

 a. North West Coast of New Holland. From Mr. Dring's collec- 

 tion. 



17. Triecphoba atba. 

 Nigra ; abdomen et pedes picea ; a!ic posticw fusco-cinereee. 



Black : head and chest thickly punctured : crown with two 

 longitudinal furrows on the disk ; epistoma in front flat, long spindle- 

 shaped, with a rim on each side ; sides with distinct, parallel, slightly 

 oblique ridges : mouth, abdomen, and legs pitchy : fore-wings 

 thickly punctured : hind-wings brownish gray ; veins black. Length 

 of the body 2.* Hues ; of the wings 7 lines. 

 a. Cape. Presented by M. Serville. 



18. Triecphoba inconstans. 



Nigra ; caput, pectus, abdomen et pedes rufa ; tarsi nigri ; ata- 

 anticie rujo unimaculalce et unifasciata. 

 Black : head and chest thinly and coarsely punctured : head 

 red ; crown rather depressed ; epistoma with a slightly concave 

 spindle-shaped front, which has indistinct, parallel, slightly slanting, 

 transverse ridges on each side ; mouth red, with a black lip: chest 

 along the fore border and scutcheon reddish : breast, abdomen, and 

 legs bright red : feet and tips of shanks black : fore-wings black, 

 thickly punctured, with a red curved band near each tip, and a red 

 spot on the base of the fore border : hind-wings grayish ; veins 

 black. Length of the body 3 lines ; of the wings 8 lines, 

 a. New Holland. Presented by Sir J. Bichardson. 



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