OFVERS1GT AF K. VETENSK.-AKAD. FORHANDLINGAR 18 72, N:0 1. 51 



fere longior, medio rotundato-ampliatus, intra apicem fortiter 

 constriotus, dorso antice leviter rotundato-productus, basi utrim- 

 (pie sinuatus, supra transversim irregulariter plicatus, plicis dor- 

 salibus subglabris. Scutellum semi-ovale, subtiliter coriaceum, 

 sequaliter pubescens. Elytra sublinearia, tliorace fere quintuplo 

 longiora illiusque basi fere duplo latiora, antice truncata, apice 

 singulatim rotundata, dorso modice convexa, minus sequaliter 

 et paruni distincte coriacea, fusco-castanea nitida, pube flavo- 

 griseo-sericea, subnebulosa, induta, lineis 3 longitudinalibus 

 elevatis vix conspicuis. Corpus subtus convexum pedesque den- 

 sius et sequaliter griseorpubescentia, femoribus posticis segmen- 

 tum tertium abdominis vix excedentibus. 



14. Ploccederns (J. Thoms.) pronus: oblongus, supra niger, sub- 

 tus piceus, epistome, palpis antennisque fusco-ferrugineis, tho- 

 race supra transversim plicato, lateribus unispinosis; elytris 

 tenuissime griseo-sericeis, apice bispinosis, antennarum articulis 

 3 — 5 aculeatis. Long. 19, lat. 5* millim. cA 



Caput latitudine fere lougius, vertice tenuiter grauulato, 

 fronte inter oculos distincte carinata, antice declivi et foveo- 

 lata; oculi lunati, fortiter granulati, supra approximate Antennae 

 corpore duplo longiores, apicem versus attenuatae, scapo sub- 

 scabro, articulis 3 — 5 apice nodosis distinctiusque spinosis, 

 6 — 10 denticulatiin productis. Thorax latitudine baseos vix 

 brevior, antice truncatus, basi medio leviter rotundato-lobatus, 

 supra transversim, crebre at minus regulariter, plicato-rugosus, 

 lateribus spina valida acuta armatis. Scutellum breve, apice 

 subrotundatum, medio impressum. Elytra linearia, basi tho- 

 racis fere duplo latiora latitudineque sua triplo longiora, apice 

 conjunctim rotundata ibique spinulis duabus sat distinctis ar- 

 mata, dorso sat convexa, obsolete coriacea, aequaliter griseo- 

 sericea. Corpus subtus modice convexum, subcoriaceum, tenu- 

 issime flavo-griseo-pubesceus. Pedes longiusculi, subsimplices, 

 coriacei, griseo-pilosi, picei, femoribus basi et nonnumquam ti- 

 biis tarsisque plus minusve rufescentibus. 



15. Plocwderus frenatus: oblongus, niger, supra tenuissime, sub- 

 tus densius griseo-pubcscens, antennis fusco-ferrugineis, articulis 

 3 — 6 apice valide aculeatis; tliorace supra irregulariter plicato, 

 lateribus spinosis, antice callosis; elytris convexis, apice bispi- 

 nosis. Long. 33 — 37, lat. 11 — 12 millim. 



O 71 PI. ■prono in plurimis simillimus; praeter magnitudinem 

 insigniorem, differt tantum antennis corpore triplo longioribus, 

 apicem versus gracillimis, articulis 3 — 6 coriaceis, punctis spar- 

 sis impressis, 7 — 10 apice indistincte modo angulatis; tliorace 

 supra temere plicato, plicis partim gyriformibus, lateribus medio 

 spina acutissima armatis atque ad marginem apicis distinctius 

 callosis; corpore subtus densius villoso pedibusque indeterminate 

 nigro-piceis vel piceo-rufescentibus. 



