FAHRjEUS, coleoptera cakfrart^e. 669 



interstitiisque dorsi subelevatis; tota nigra, subnitida, pilis flavo- 

 griseis parce adspersa. Corpus subtus convexum, tenuiter gra- 

 nulato-punctatum, nigrum, flavo-griseo-puboscens. Pedes medio- 

 cres, nigri, griseo-pubescentes, tibiis anticis, apieeui versus fulvo- 

 sericeis, intermediisque externe denticulatis; tarsis elongatis, 

 unguibus rufis. 



22. Bostrichns tristis: elongatus, cylindricus, ater, opacus, pube 

 brevissima, flavescente-sericea, undique obsitus; antennis piceis ; 

 clava testacea; thorace subtransverso, angulis posticis elevatis,. 

 dorso canaliculato, antice muricato medioque iinpresso, angulis 

 breviter productisj elytris fortiter, partim subseriatim, punctatis, 

 obsolete tricostatis. $?• Long. 14, lat. ■il millim. 



Caput deflexum, ruguloso-punctatum, fronte transversim im- 

 pressa, linea insculpta ab epistome distincta; oculi majusculi, 

 rotundati, valde prorainuli. Antennae medium thoracis attin- 

 gentes, picere, clava testacea. Thorax latitudine postica paullo 

 brevior, medio indistincte rotundato-ampliatus, apicem versus 

 angustatus, basi fere truncatus, angulis elevatis, prominulis; 

 antice in medio impressus, angulis in cornu breviusculum pro- 

 ductis; supra convexus, ruguloso-punctatus, medio tenuiter ca- 

 naliculars, cornibus lateribusque antice irregulariter tuberculatis. 

 Scutellum subelevatum, triangulare, dense flavo-griseo-tomento- 

 sum. Elytra thorace paullo latiora et fere quadruplo longiora, 

 cylindrica. apice conjunctim rotundata, humeris subrectangulatim 

 elevatis; fortiter rugoso-punctata, obsolete tricostata, stria sutu- 

 rali impressa. Corpus subtus, crebe punctulatum, pedesque 

 nigra, griseo-pubescentia. 



23. Bostrichus picipennis: oblongus, cylindricus, niger, subnitidus, 

 tenuiter griseo-pubescens, antennis testaceis; thorace antice mu- 

 ricato, apice bidentato, angulis posticis subelevatis; elytris sat 

 regnlariter striato-punctatis, piceis, femoribus castaneis. Long. 

 8. lat. 2 1 millim. 



Caput latitudine brevius, tenuiter ruguloso-punctatum, ni- 

 grum, griseo-pubescens, labro fulvo-hirsuto; oculi majusculi, semi- 

 globosi. Anteinice latitudine capitis panllo longiores, rufo-testa- 

 cese. Thorax latitudine postica vix brevior, antrorsum angustatus, 

 basi truncatus, angulis rectis, subelevatis, lateribus juxta angulos 

 subsinuatis; supra convexus, postice minus fortiter punctatus, 

 antice muricatus, apicem versus declivis ac longitudinaliter im- 

 pressus, ipso apice sinuato, utrimque dente porrecto, subreflexo, 

 munito; totus niger, tenuissimc griseo-pubescens. Scutellum 

 triangulare, subelevatum, piceum. Elytra thorace vix latiora, at 

 triplo longiora, linearia, basi subtruucata, apice conjunctim ro- 

 tundata, aequaliter convexa, sat regulariter striato-punctata, picea 

 aut castanea, tenuiter griseo-pubescentia. Corpus subtus modice 

 convexum, crebre punctulatum, griseo-pubescens. Pedes medio- 

 cres, tenuiter pubescentes, femoribus castaneis, tibiis tarsisque 

 obscurioribus. 



