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fvoiite pliinniu, vcrticc aiiticf trianp;nlariter iin])ressuiii. Prothonxx ii;rosse cor- 

 rngnto-jiuiictatns, ilisoo iiifri'o-bruaueas, lateraliler uiger, liaea lateral! angusta 

 lon^ntiitliuali panim obliiiua liitea ab margiiie aiitico tnius cUnitciu lateralem versus 

 hmueros asceudente oruatns. Scutellnm medio impressum, auguste emarginatum. 

 Elytra pnnctis dispersis grossis instructa, ai)ice sat abrupte dilatata, recte truucata, 

 parte dilatata extns longitudiualiter ruiuute oblique trnneata ; utrimpie plaga 

 magna ante medium latiore ab humeris usque ad partem dilatatem ajiicalem exteiisa 

 luteo-sericea. Metasteruum et medium abdominis sea'menti primi et tarsi jiube 

 luteo-fulvescente vestiti. 



Long. 27 mm., elytr. 20, lat. (ad 1mm.) 8. 



First joint of antennae broadest at the tip, with a keel-like Hue at. the outside 

 formed by a fnlvous and long pubescence. Such keels of hairs are also found at 

 the sides of the prothorax and on the tibiae. Punctures of the base of the elytra 

 much smaller than those of the prothorax, and becoming still smaller t(jwards the 

 apex, arranged in irregular rows. 



Hab. Deli (Sumatra). 



Oberea libellula sp. nov. 



O. nigra. (laput rufo-oehi-aceum,froiite subconvexum, inter oculos lougitudinali- 

 ter canaliculatum. Antennae elytrorum apicem fere attingentes, nigro-brunueae, 

 versus basim rufae, scapo ad basim sat teuui, delude parum iucrassato, articulo 

 tertio breviore, quarto aequali. Prothorax parum latior (|uam lougus, autice et 

 postice constrictus, rufo-testaceus, impunctatus. Scntellum et pars suturae post- 

 scutellaris albo-sericeo-pubescentes. Elytra elongata, medio sat angustata, apice 

 minute dilatata ; apicibus oblique truncatis, angulis internis dentatis, externis acute 

 mucronatis ; basi grosse seriatim punctata, dimidio postico impunctato. Infra 

 minutissime pnnctulata, paucis punctis grossis instructa ; metasterni i^ars lateralis 

 postica et abdominis segmeutum jirimum — margine postica ad latera uigro excepto 

 — densiter luteo-albo-sericanies. Abdomen valdo elongatum, elytris dnplo longius, 

 segmenti sexti parte dorsali couspicua. 



Long. 29 mm., elytr. 13, abd. 22, lat. 2f. 



Head fanely punctured, with some larger punctures, especially at the inner 

 margins of the eyes ; the median line raised on the forefront, rather broadened and 

 impressed between the antennae, and Ijecomiug very faint on the vertex. Base of 

 antennae rufous, the remainder of the antennae becoming more aud more blackish 

 towards the t,ip. Prothorax constricted in front, transversely depressed at the base ; 

 almost impunctate, with a few scattered punctures on the disc, each bearing a long 

 hair : basal depression rugose. Elytra covering only the three basal segments of 

 the long abdomen. Pro- aud mesosternum yellowish rufous : anterior legs pitchy 

 black, with the femora, rufous ; liiiid femora reaching the base of the second 

 abdominal segment. 



H'll). Deli (Sumatra). 



Oberea abdominalis s]i. nov. 



'''. rubro-testacea, cajntc, antenuis, elytris, pedil)US(|ue (femoribns exceptis) 

 uigris. I'rothorax elongutus, transverse corrugato-puuetatus. Klytra abdominis 

 segmenti quarti basim attiugeutes, autice fortiter striato-jiunctata, apicibus impuuc- 

 tata ; singulo apice oblique truncato, bidcntato. Infra sparsim pubesceus, puuctis 



