and species of CryptocephalidcB. 35 



Genus Prasonotus, Suffrian. 

 Prasonotus ruficaudis. 



Late oblongus, parallelus, subcylindricus, nitidus, subtus 

 niger, abdominis apice pedibusquc rufis ; supra obscure 

 metallico-cyaneus, viridi-micans, antenuis rufo-fulvisj apice 

 nigris. 



Long. 1\ lin. 



Hob. — JSTew South Wales. 



Head subopaque, vertex ratlier closely impressed with 

 distinct, oblong punctures ; in the middle is a longitudinal 

 depression. Clypeus coarsely j)unctured; labrum pale 

 fulvous ; jaws black, three outer joints of antennae also 

 black. Thorax twice as broad as long at the base; sides 

 rather broadly margined, rounded and converging from 

 base to apex, sinuate behind the middle, the hinder angles 

 very acute ; upper sm-face finely but not closely punctured, 

 the interspaces smooth. Elytra regularly punctate-striate ; 

 interspaces remotely impressed with fine punctures. 



Prasonotus morbillosus. 



Oblongus, parallelus, subcylindricus, niger, nitidus, 

 C£eruleo vix micans ; capite thoraceque subnitidis, sordide 

 rufis, hoc crebre punctato ; antennis extrorsum piceis ; 

 elytris metallico-caeruleis, vhidi-micantibus, rude punc- 

 tatis, punctis in medio confuse dispositis et interspatiis 

 rugoso-elevatis ; punctis prope suturam et ad latera striatim 

 dispositis, interspatiis subcostatis. 



Var. A. Capite thoraceque nigris. 



Long. 2^ lin. 



Hah. — New South Wales ; Western Australia. 



Head closely punctured, impressed on the vertex and 

 fi'ont mth a shallow, longitudinal groove, the surface on 

 either side being slightly thickened ; anterior border of 

 clypeus shghtly sinuate ; labrum flilvous ; eyes and jaws 

 black. Thorax with its sides roimded and converging 

 firom base to apex, narrowly margined ; upper surface con- 

 vex, closely and coarsely punctured, with the exception 

 of the space in front of the basal lobe, Avhich is smooth 

 and nearly impunctate ; interspaces, except on the 

 basal lobe, thickened and forming irregular, longitudinal 

 striga3 ; hinder margin of thorax narrowly edged with black. 

 Elytra not broader than the thorax, rather sti-ongiy lobed 

 at the base ; strongly punctvu'cd, the punctiu'iug arranged 



d2 



