isi"?.] 273 



from these two examples this sex is much smaller than the male, and has 

 the abdomen thick at the base, as well as the thighs slender ; these 

 characters bring it near to the Kauai P. arachnipes, from which it is 

 in appearance totally dissimilar. 



Plagithmtsus funebris, n. sp. 



Niger, dense punctatus, elytris ex farte, metasterno fern or ih us que basi 

 Jlavis, antennisfuscis; elytris posterius linea angusta puhescenticB alhidce paulo 

 ante medium elytroruni longitudinis furcata, ibique eccterne plus minusve 

 ampliata. Long., %\ — 13 mm. 



Mas., femoribus posterioribus crassis. Fern., minor, femoribus 

 subgracilibus. 



This is the most black of all the species. The tliorax has sometimes a little 

 white tomentum on the dorsum, which occasionally is sufficient to form two indistinct 

 broad stripes. The antennae are slender, red, but very strongly tinged with black. 

 The elytra are very densely punctured, their ground colour is yellow with large black 

 markings, but these latter are sometimes so extensive that the yellow almost 

 disappears ; the sides behind are yellowish, just above the hind femora the yellow 

 colour extends inwards to form an angular mark, a yellow mark round the scutellum 

 is constantly present ; the line of white pubescence is not dense but is quite distinct, 

 and at the end of its fork in front is generally augumented in thickness by some 

 white hairs on the angular yellow mark ; sometimes there is a good deal of white 

 pubescence on the base of the elytra. There is great difference between the sexes, 

 the male having the femora very thick, the abdomen very small, and the hind coxse 

 prominent : whereas in the female the legs are unusually slender, the abdomen is 

 large and placed almost on the same plane as the metasternum. The species is very 

 distinct and the only one it at all resembles is P. Finschi. 



Haleakala, May, 1886, a series of about forty specimens. The 

 female represented, however, by only about half a dozen individuals. 



Plagithmysus ^qualis, n. sp. 



Variegatus, nigro-rufus, capite, tJiorace, femoribus abdomineque nigris, 

 femoribus basi flavo, thorace dorso albido-variegata antennis tibiis, tarsis 

 pecfore elytrisque rufis, his ante apicem nigricantibus, irregulariter albido- 

 ornatis, spado dorsali denudato, angulare. Long., 9 — 12 mm. 



Vur. a, femoribus rufis, basi flavo. 



Head with much white pubescence ; thorax with the dorsum bearing a scanty 

 white pubescence, which is more or less distinctly separated into two parts by the 

 median prominence. Elytra with the base red, rough, variegate with small white 

 spots ; behind this with a bare angular mark, densely punctate, of a somewhat 

 browner colour, and in this region with a little flavescent setosity, extending on the 

 under-surface along the hind part of the metasternum : behind the middle the elytra 

 have a large but variable and vague patch of darker colour and shining ; along the 

 suture there are placed white flecks, which end by diverging laterally when they 

 reach the bare dorsal mark. Legs of the male very long, thick, thiglis roughened 



