120 Hydrophituf. 



Var, c. Capite nigro immaculato, thoracis 



difco nigro, lateribus, elytrisque rufo* 



caftaneis. 

 Hydroph, Dermeftoides Marfh. ent. br. i, 465. %. 

 Var. d 9 Capite lunula antica pallida utrinque, 



ccetera ut in var, c. Illig. Mag. 1. 66. 6. 



var. b. 

 Var. e. Niger, thoracis elytrorumque mar- 



gine dilutiori. Payk, I. c. var. b. Illig. 



I. c. var. c. Herbft, I. c. var. 2. 



Hydroph. ochropterus Marfh. enU br. 1, 409. iz % 



Habitat in aquis frequens; fed var. c. e. 

 rarius occurrunt, & var. b. unice in Ba- 

 hufiee maritimis mihi obvius. 



Defcr. Statura H. fufcipedis, fedplus duplo minor* 

 Caput nigrum convexum punclulatum, linea media 

 transverfa angulata impreffum, lunulaque pallida mar* 

 ginali ante oculos utrinque, Palpi & antennae pallidse, 

 capitulo elongato fufco, Thorax brevis convexus, 

 anterius paulo auguftior, fupra fubtiliffime creberrine 

 punttulatus , pallide taftaceus, macula majore difci, 

 punftisque utrinque duobus maculse fere contiguis 

 nigris, Scutellum oblongo triangulareffufcum. Ely- 

 tra magna oblonga convexa fornicata, pallide grifea, 

 pun&o humerali fufco; creberrimefubtiliilime punctu- 

 lata, ftria futurali unica profundius impreffa , antice 

 abbreviata; verfus apicem punclra hinc inde in ftrias 

 obfoletas digefta obfervantur. Corpus nigrum obfcu- 

 rum pubefcens. Pedes ferruginei, femoribus plerum- 

 <jue nigro-piceis* 



Varietates tantum colore & magnitudine differunt, 

 nec notam ullam effentialem, qua fpecie diftingui 

 poffunt, indagare valuij var* b. plerumque dimidio 



major, 



