272 G. Kraalz: über deutsche Donacien. 



Donacia platysterna: Latior, subdepressa, subius ßavo- 

 aureo - tomentosa, supra cuprea, sal micans; fronte ''2-iuberculata; 

 anlennis articulo 4:o 5:o aequali: proiliorace subopaco. parcins pun- 

 dato, angnlis nnticis rix prominulis^ callo laterali obsolelo: elytris 

 distincte lacunosis : femorihus muticis vel obsolelissime denlatis; 

 coxis inlermediis täte dislaniibus. — IjOng. 4 liu, (Thomson 1. c. 

 p. 118.) 



Mas: segmenio 5:o ventrnli apice impresso. 



Fem.: segmento 5:o venlrali acjuali^ cpice rotundato. 



D. thalassinae slalura et magnitudine simillima, coxis inlerme- 

 diis late distantibus, prothoiace liaud riigoso, angulis anticis parvis 

 mox distincia; a D. lineari anlennis pedibusque unicoloribus, fronle 

 biluberculala, prolhorace haud rugoso-pnnclato facillime dignoscenda; 

 a D. impressa anlennis longioribus artieulo 4:o 5:o aequali, corpore 

 supra minus mioante, femoribus posticis saepe inermibus, coxis in- 

 lermediis latius dislaniibus, fronte tuberculis magis elevalis, canali- 

 cula profundiore, prothoraceque subopaco, anguh's anticis vix den- 

 talo-proniinuUs mox discedens. Caput nulans, proiliorace anguslius. 

 fronle juxta canaliculam profundam et in verlicem produclam ulrin- 

 que tuberculato-elevata, sulcis frontalibus dislinctis, antice abbrevia- 

 tis, vcrtice creberrime punctato, mandibulis labrum transversum, 

 minus convexum sat supeianlibus. Anlennae corpore dimidio fere 

 breviores, unicolores, paullo infra lineam oculorum transversam 

 insertae, inter se vix latius quam ab oculis prominulis dislantes; 

 articulo 3:o 2:o vix longiore, 4:o 5:o aequali quam 3:o plus quam 

 sesqui longiore. Prothorax basi coleopleris duplo angustior, latilu- 

 dine sua haud longior. basi apiceque laliludine aequalis, angulis haud 

 perspicue denlato- prominulis, callo laterali obsolelo; disco longitu- 

 dinaliler haud convexus, subopacus, purpureo - cupreus, canalicula 

 media, utrinque abbreviata impressa, minus crebre, haud profunde 

 puuclatus. Scutellum trianguläre pubescens. Elylra prothorace qua- 

 druplo longiora, laleribus fere parallela, 4:a posteriore parte subito 

 anguslala, apice minus late truncata; dorso prope suturam impres- 

 sionibus duabus lacunosa, forliler siriato-punctala, striis poslice mi- 

 nus discrelis, inlerstitiis basi haud punclatis, creberrime subrelicu- 

 lato-strigosis; apice haud lale truncata sat nitida, unicolora cuprea. 

 Corpus subius dense tomcnlosum; mesosterno pone coxas anlicas 

 spatio polito elongato-triangulari, postice quam epimeris inferne fere 

 duplo latiore. Pedes unicolores, aenei, femoribus posticis parum 

 clavatis, muticis; tarsis posticis articulo 2:o haud transverso. 



Sällsynt; funneu vid ästräuder i Skäne. 



