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51. T. CURVIDENS, Germ. 
Subelongatus, cylindricus, nigro-piceus vel brunneo-testacens, 
pilis longissimis adspersus, thorace ante medium utrinque im- 
presso, posterius rarius punctulato, elytris profunde crenato- 
striatis, punctis quadratis, versus apicem valde dilatatis, inter- 
stitiis uniserialim punctulatis, apice truncato-retusis, ambitu 
tuberculato in singulo elytro dentibus 3 curvatis. 
Long. 2,5-5,2 mm. 
Mas : Capite densissime flavo-capillato, elytris subtilius crenato- 
striatis, apice angustius retuso, dentibus minoribus. 
Fem. : Capite parcius piloso, elytris profundius crenato-strialis, 
upice dentibus validis recurvatis. 
Bostrichus curvidens, GERM., /ns. spec. n0® , 1824, p. 462 (Q). — * Rares. 
. Forstins., 1857, I, p. 156; 1839, p. 190, 4, tab. 15, fig. 1-2; tab. 15, fig. 5. — 
Preis, Krit. Blaetter, X, 1,5, 105. — Bacn, Kaef., 1854, IL, p. 122 et 128, G. 
— Doesx., Zool., 1862, II, p. 176. — Reotens., Fn. Ausl., ed. 5, IT, p. 578. 
— Nozroz., Slelt. ent. Zeit. 1848, p. 257. 
Tomicus curvidens, FerRar!, Borkenk., 1868, p. 45. 
Bostrichus psitonotus, GERM., Mag., 1822 (o*): Ins. spec. nov., 1824, 462 (S'). 
Bostrichus orthographus, Durr., Fn. Aust., II, p. 91, 5 (0). 
Bostrichus caliigraphus, Durr. ibid., 6 (©). 
Bostrichus abietis, ZiEGL., Dej. Cat., 1837, p. 
332 (0°). 
Bostrichus comosus, STURM, Cal., 1826, p. 102 (o”). 
Var. 6. Corpore duplo vel triplo minore. 
Iterum antecedentibus similis et propinquus, sed in utroque 
sexu ab iis facile dignoscendus : Mas fronte capillis longissimis 
densis flavis penicillata, femina elytris fortissime crenato-striatis, 
punctis versus apicem maximis, dilatatis prae omnes insignes. 
Caput nigro-piceum, in maribus densissime flavo-capillatum, 
capillis introrsum subfalcatis, longissimis, penicillatis; in feminis 
convexum, rarius subtiliter subgranulate punctatum, linea longi- 
tudinali, media, obsoleta, laevi; absque impressione in antico 
froniis, pilis longis, pallidis, rarius adspersum. Antennae brunneo- 
