656 DonactM 



Var* b^ corp^ore fupra aut fufco-acneo, aut 

 obfcure vlrefccnre. Payk L c, var. b, 



Var. c^ Thorace elytrisque rubro-cupreifl 



Habitat m plantis aquaticis frcquens ; var. 



c, tamen rarius occurrit» 



> 

 Defcr* Proxime prsecedenti fimillima & valde 

 affinis, fed duplo minor & ultra ; coior paginse fa- 

 perioris muito magis nitidus; pun6la vix uUa vaga 

 in bafi elytroruna, & femora poftlca plerumque ob- 

 foletilfime tantum dentata. Caput & collum fufco- 

 asnea, opica, iMbtilijfime, crebre punftal^ta, tenue 

 grifeo-pubefcentia profunde canallculata; ocuii femi- 

 giobofi brunnei Antennae qvoad ftrufturam ut in 

 prioribus, nigrae, articulo primo fufco-aeneo, .Tho- 

 rax qvadratus, vel latitudine fere brevior, fupra pa- 

 rum convexus, f ufco-aencus , nitidus, confertiffime 

 punftatus, in medio obfolete canalicu!atus< Scatel- 

 ium fuico virefcens, obfolete puii^lulatum, diufecine- 

 reo-pubefcens Eiy rdriim /o^mi ut in prioribus 

 omnino, fupra parum convexa, fufco-senea, nitida, 

 regulariter, pun6tato-ftriata, interftidis fubtiliiTimc 

 transverfim ftrigofis ; iuxta callum humeral^m pun- 

 fta pauca vaga, fed nulla in reliquis interftitiis; in 

 medio dorfi foveolse qvatuor obfoierse, in qvadran- 

 gulum poti.tse, ut in prioribus» Corpus totum fub- 

 tus yellere denfo cinero-flavefcente,, > nitido te6loM. 

 Pfdes eiongati senei, femoribus lait dis, futiliflime 

 pund:alatis, pofticis plerumqve dente minuto, obfo- 

 leto, interdum vero evidentiori armaiis, 



^ Var, b , colore paginse fuperiqris obfcuriori 

 diffcrt, sut obfcurius fufco seneo, aut fufco-virefcentei 

 In var. r,' thorax & elytra rubro cuprea, inter- 

 dam rubro-denea, caeterum prioribus nmiilima- 



g,; D. fericea: cdnvexs, fupra metallica, va- 

 ricolor, fuotus teiiuiusferice-^, thorace ob- 



