512 D y t i f c u fm 



angulis porre6Vis acutis , lateribus obllquis rotunda- 

 tis , marginatis , poftice fnb fit uatus , fupra parnnt 

 convexus, hinc inde impreiTns , fubtiiilTime pun6:u- 

 Jatus, niger nitidus, interrlum fub-aeneo refulirens, 

 irargine laterali fiimmo vix rufefcente. Scutellum 

 breve triangulare ni^;rum. Elvtra ma^na bvata, in 

 medio non latiora, apice rotundata , fupra fubdepref- 

 fa, dorfo ni^ro - fufca nitida , verfus latera indeter- 

 xninate dilutius grifeo- teftacea ; in difco ftrise tres 

 punflatae, anterius fat regulares , pofti^rius .innrdina- 

 tse; juxta futuram pofttrius ftria quarta fimplex e 

 punftis impreflls. (upef^ficies reliqu? ompiro Iseviilii 

 ma. Corpus fubtus faturate nigmm nit dum , feg- 

 mentis pofticis ferru^ineo- marginatis; ftpTtum pofti- 

 ce bifidum , laciniis divaricitis rotnndatis , ut in ple* 

 risque» Pedes nigro-picei, tib*is c^nticis tarfisque 

 omnibus obfcure ferrugineis; tarii antici maiis coar- 

 ftati, parum dilatati» 



44. b. uliginbfusj ovalis cohvexus njger 



nitidus fubpundtatus , thoracis eiytrorum* 



que margine, antenhis pedibusque rufo- 



ferrugineis. 



Linn, fyft, nat» 2. ^(f?. 20, fn» fv, 77^. Fahr^ 



Jyli, eUiit, i. 266. 4/, Illig, Mag. i. 74.1^-20* 



Payk. fn^ z. 212, 22, Schvnh* fynon. 2. 2j, j^» 



Habitat in aquis fta^hantibus paflim. 



Defcr. D. congeneri pauilo minor, bf^vior, 

 iiiulto magis convexus; fuperficies tota fub oculo 

 acute armato fubtiliftime' pur^tulata & fub-ftritjofa* 

 Caput deprelTum nigrUm, ore, labro^ frontisque mar- 

 gine late rufo- ferrtigineis ; maculse duse transverfa* 

 Jes rufae verticis fatis magrse. Antennje thoracc 

 lorgiores, pallide rufefcentes , apice obfcuriores*, 

 Thorax brevis transverfus , anterius multo anguftior, 

 Itte em,arginatus , apgulis porreftis acutis, lateribus 



ob* 



