1873.] 33 



ON A aENUS OF THE BYRRRUD^ FROM JAPAN. 

 by t. teenon wollaston, m.a., f.l.s. 



Fam. BTREHID^. 



(Sub-Fam. Nosodekdeides). 

 G-enus DeNDRODIPNIS, nov. gen. 



Corpus ovale, supra valde convexum sed subtus deplanatum, fere calvoin (sci- 

 licet oculo fortiter armato minute et parce sericatuin) ; capite sub-triangulari, haud in 

 prothoraeem inter otium retractili ; prothorace brevissimo, lato, transverso, postiee 

 latitudine elytrorum ad basin, angulis postieis subrectis (nee productis), antice 

 latissime sed leyiter emarginato (nee in medio sub-producto) ; scutello magno, tri- 

 angulari ; eljtris punctatis sed haud striatis ; prosterno postiee (inter coxas anticas) 

 in lobum angustum producto ; nietasterno maximo, elongato ; abdomine e segnientis 

 5 composite, segmentis longitudine eequalibus, sed conspicue trisinuatis. Antennse 

 sub margine capitis ante oculos iuserta, ll-articulafcse, articulis Ih'o et 2do (illo 

 prsecipue) crassiusculis, illo subtus sub-depresso, 3^^io longissimo, gracili, 4to, 5*0, 6to 

 et 7™o breviusculis et gradatim magis transversis, 8^° valde transverso lenticulari 

 (intus etiam sub-lamelliformi) sed ad clavam haud arete adpresso, reliquis clavam 

 magnam valde abruptam sub-perfoliatam 3-articulatam efficientibus. Labrum indis- 

 tinctum. Mandibulse sub-triangulares, apice valde incurvse acutissimse integrse, extus 

 longe et robuste pilosse, intus haud emarginatae (in uno etiam dente brevi obtuso sub- 

 triangulari longe infra apicem auctse) ac breviter ciliatse. Maxillae bUobse ; lobo 

 exbcruo angustulo, sub recto, apice dense velutino ; interno latiore, paulo breviore, 

 tenuissime membi*anaceo extus sub-coriaceo, apice obtuse uncinato (aut fere quasi 

 3-uncinato), intus longe denseque pubescenti. Palpi brevissimi ; maxillares articulo 

 Imo parvo, sub-obtriangulari, 2^0 et S^io majoribus, crassioribus (illo sub-poculiformi, 

 hoc brevi transverso extus sub-producto), ultimo elongato subfusiformi-cylindrico ; 

 labiales articulo 1™° parvo, 2do majore, ultimo elongato-ovali. Mentum maximum, 

 corneuDi, sub-quadratum, antice leviter attenuatum ac paulo rotundatum. Ligula 

 magna, membranacea, ciliata. Pedes retractiles ; tibiis latis, compressis, ad angulum 

 intermim breviter bicalcaratis, posterioribus extus minutissime parce spinulosis ; 

 tarsis filiformibus, ad tibias sub-excavatas inter otium reponendis, articulis 4 basalibus 

 brevibus sequalibus ; unguiculis parvis. 



A " dendron," truncus, et " deipnon,^' coena. 



K'ot having been able to procure a type of Nosodendron for com- 

 parison, I will not undei'take to say wbetber the insect from which the 

 above diagnosis has been compiled should be regarded as generically 

 distinct from the European N.fasciculare. Judging, indeed, from its 

 published characters, the latter does not appear to di:ffer structurally, 

 to any considerable extent, from the species which I have been re- 

 quested by Mr. G. Lewis to examine, and which was taken hy himself 

 in the islands of Nipon and Kiushiu (namely, at Hiogo and Nagasaki) 

 of the Japanese Archipelago, where it would seem, like our JS^osoden- 

 drou fasciculair, to delight more particularly in the sap of wounded 



