PHL@OBORUS. 1538 
(ean 
female in which the elytral rugee are very weak throughout and obsolete behind for a 
greater distance from the apex *. 
4. Phleoborus rugatus, sp. n. (Tab. VI. fig. 14.) 
Subovatus, subnitidus, ater; oculis discretis, angustis; prothorace valde transverso, lateraliter foveolato, 
angulis anticis prominulis muricatis, disco punctato, punctis ad latera modo subasperatis; elytris 
lateraliter rotundatis, striatis, interstitiis subconvexis rugis elevatis transversis in declivitate obsoles- 
centibus instructis. 
Long. 9 millim. 
Black, subnitid. Front subconvex, punctured, weakly carinate, the mouth fringed; antennal club acuminate, 
subcompressed. Prothorax nearly twice as long as broad, its hind angles rounded, the sides slightly 
curved and narrowed from the base to the anterior angles, which are prominent and muricate, anterior 
border bisinuate ; surface declivous in front, shining, with rather scattered punctures, becoming asperate 
at the sides, with a median smooth striga impressed along the middle, and a depression on either side 
behind and within the anterior angles; flanks foveolate. Scutellum subquadrangular, impressed behind. 
Elytra narrower at base than the prothorax and more than twice as long, their basal margins oblique but 
not rounded, deeply excised in middle for the scutellum, humeral angles broadly, the sides subelliptically 
rounded ; striz fine, incised, the interstices subconvex behind the middle, with close transverse elevations, 
smaller and shorter on the abrupt declivity and obsolete at the apex. Legs black, the hinder tibiz rather 
strongly impressed internally. 
Hab. Nicaragua, Chontales (Belt; Bird, in Mus. Oxon.). 
A distinct species, represented by asolitary example in each collection. The species 
has the facies of a Phiwotrupes rather than of a Phiwoborus; but the apical joint of 
the maxillary palpi is short, the anterior tibiz are not excavate internally, and the 
antennal club, though slightly compressed, is strongly acuminate. 
5. Phleoborus nitidicollis. (Tab. VI. figg. 15; 15a, front.) 
Phileoborus nitidicollis, Chap. Syn. Scol. p. 14 (Mém. Soc. Liége, 1873, p. 222)’. 
Oblong-oval, black. Front subconvex, shining, impressed on either side above the mouth and subcarinate in 
* The following species is very closely allied to P. scaber, but appears to be distinct from it :— 
Phleoborus radulosus, sp. n. 
Fem. Oblonga, nigro-picea, propleuris foveolatis; P. scabro 2 major, prothoracis angulis anticis tuberculis 
discretis haud muricatis; elytrorum striis parum impressis, punctis inde preecipue versus apicem discretis, 
rugis fortioribus minus confertis, ante medium minus transversis, in interstitio suturali raris, pracipue 
versus basin, et fere uniseriatim ordinatis. 
Long. 10-11 millim. 
Hab. Ecvapor (coll. Blandford); Vunzzunta (coll. Fry et coll. Schaufuss). 
The prothorax in my example has two foveolate impressions on either side of the disc; in one belonging 
to Herr Schaufuss the median line is absent. 
The scanty uniseriate ruge of the sutural interstice appear to distinguish this species from P. scaber, all the 
females of which, that I have seen, have these ruge very close and numerous even when weakly developed. 
P. radulosus is also rather more shining. 
BIOL. CENTR.-AMER., Coleopt., Vol. IV. Pt. 6, September 1897. xx 
