4?^ £?j|IM/f««^^ 



^no fsepe obrcufjori. Pedes rufo- ferrugjnel, tarfis 

 anticis maris ponnihil dilatatis. 



V»S^ .b. difFert tantum macula bafeos elytrorum 

 abbreviatk, nec in lineam iongitudinalem producta, 

 maculisque lateralibus minoribus; Corpus etjam fa- 

 turatius brunneum , abdomine poftice riigricante. 



In vac* c» caput poHice latius nigrura, punftis 

 l-ufis verticis minoribus , magis obfoietis ; thoracis 

 fafcia rufo- paliida, in medio late interrupta, ut 

 thorax potius niger dici queat, macufa cuneata paU 

 lida iaterali utria^ue; Elytrofum margo. tenuu pal- 

 lidus , pone humerum^ ramulum hamatum obliquum 

 emittens; macula bafeos parva, fimplex, acuminataj 

 intra marginem iateralem, paullo pone medium» 

 pun6la duo parva, paria, interdura coalita, & intra 

 apicem foiitarium rotundatum, omnes rufo- pallidae, 

 pbfoietaej Corpus ful?tus nigro-brunneum, peftore 

 dilutiorl, 



Var, d^ fimiilima, var. c, fed veetex adhuc latius 

 uiger, maculis ruiis obfoletis, 6c elytra nigra irama- 

 culata, fo.lo margine iateraii angufte rufo - teftacep ; 

 Elytra in var. c 6c d, pAulIo fortius pun6lulata ap- 

 parent. 



Oh^^ Varietates a & b faepe occurrunt totae te>>, 

 ftaceae», ilgnaturis albidis s forte nupec e^^clufse* 



^5. T), a r c t i c u s : oblongo - oyat u5 , ftib tilis- 

 fime reticulato-ftrigofus, niger, thorace 

 fafcia pallida, elytris iufcis margine pallidiSc 



Payk* fn. h 201, 10, SchSnk» fynon. 2. 23. 70. 



yar. b. Thorace nigro , lateribui late pHiiidijs, 



Habitat in aquis Lapponiae fat frequens» 



Defcr. D. maculato vix brevior, fed <nu to a^- 

 guftior. Caput fubtiiiffirne creherrioie reti ulato ftri- 

 gofum, antice late rufo-pallidaa^, vercice tiigro, 



XXlil- 



