Htfphydviif. 535 



D.efcr. Statura H. erythrocephali, fed fere duplo 



minor; {uperficies tota fubtiliflime crebre punflulata, 



& pube cinerea adfperfa» Caput rotundatum rufum, 



macula fufca ante iingulum oculum. Antennae bafi 



rufae, extrorfum nigricantes. Thorax quoad ftru- 



6turam ut in prsecedenti , fupra in medio convexus, 



liiger, lateribus late rufo teftaceis , in fafciam medio 



interraptam dilatatis. Elytra oblongo-ovata, in me- 



dio nonnihil dilatata, apice roturidata, fupra parum 



convexa, nigra, parum nitida; in medio bafeos ma« 



ciila pallide grifea, jam major, ovata , cum flavedi- 



ne humeri connexa, jam minor, transverfa, folita- 



ria ; margo humeralis verfus medium usque palli- 



dus; pone medium, intra marginem, macula altera 



pallida, jam major, antice dilatata, ilnuata, pofte- 



rias acuminata, jam parva, linearis; intra apicem 



macula tertia, transverfa, lunata, faepe cum priori 



connexa* Corpus fubtus nigrum, fub-punftatum pu» 



befcens. Pedes elongati rufo- ferruginei, 



Var.b. differt tantum defe^lu maculae interme dise 

 elytrorum; interdiim maculse omnes obfoletae^ 



ig, H. nigrita: oblongo-ovatus fub-depref- 

 fus niger pubefcens, antennarum bafi pe- 

 dibusque rufis, elytris ftria difci pundata. 



Schonh» Jynon, 2. j^. 2^. 



Dytifcus nigrita* Fabr, fy/i* elmt, i. 273* 84* 

 Payk, jn, i. 224. J4. Thimb, Inf, fuec» 6, 7<f. 



Var, b. paullo major, capite rufo-piceo, 

 antennis totis ferrugineis. 



Habitat in aquis ftagnantibus paffim, 



Defcr. H. 6-puftuIato brevior, magis depreffas, 

 fed vix anguftior; fuperficies tota fub oculo armato 

 fubtiliflime crebre paa^ulata , &: pube tenui depref- 



Ll 4 £> 



