Santa Barbara Museum of Natural History 2559 Puesta del ... - BioOne

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604 THE COLEOPTERISTS BULLETIN 58(4), 2004Fig. 1.Map of Borneo, showing type locality.Paratype: 1, same data as type; BMNH.Description. Body elongate oval (Figs. 2, 3), widest just behind humeral corners, darklyrufescent.Dimensions (of holotype, in mm). Total (pronotal-elytral) length: 2.03; maximum (elytral)width: 1.62; pronotal length: 0.65; maximum pronotal width: 1.25; elytral length: 1.34; lengths ofprosternum, mesosternum, metasternum, first visible abdominal sternite: 0.65, 0.09, 0.50, 0.25;propygidial length: 0.22; pygidial length: 0.47; lengths of protibia, mesotibia, metatibia: 0.59,0.58, 0.67.Head. antennal insertions high on frons, set within shallow emargination of upper anteriormargin of eye (Fig. 10); frons longer than wide, broadly depressed between strongly protuberantantennal bases, with prominent oblique carinae extended from antennal bases anteromesally, endingfreely before reaching clypeolabral suture; epistoma strongly convex, elevated above labrum; vertexand frons with dense polygonal microsculpture, this less evident between antennal bases and alonganterior margin of epistoma; labrum about twice as wide as long, weakly convex, narrowingarcuately to anterior margin, which is truncate to very shallowly emarginate; labral disk finelypunctate, with a single elongate seta on either side nearer lateral margin than midline; left mandibleapically bidentate, overlapping the right mandible in repose, their outer surfaces with fine puncturesand more basally with increasingly evident reticulate microsculpture; ventral mouthparts not studiedin minute detail, but the following are visible: maxillae prominent ventrally (cardo and stipes visiblein lateral view); cardo glabrous, shining; stipes with two prominent setae parallel to anterolateralmargin and few scattered minute setae; basal two maxillary palpomeres short, subequal, bearinginconspicuous setae along apical margins, with apparently only single longer setae near outer apexof penultimate; terminal maxillary palopmere about 2.25 times as long as penultimate, tapered and
THE COLEOPTERISTS BULLETIN 58(4), 2004605Figs. 2–4.Dorsal, ventral, and lateral photographs of Peploglyptus mulu Caterino.flattened slightly to rounded apex, lacking conspicuous setae; submentum strongly deflexed,anteriorly with transverse row of about 3 elongate setae near anterior margin, disk with reticulatemicrosculpture (mentum, maxilla, and labium lacking conspicuous microsculpture); mentum flat,anterior margin weakly tridentate, with prominent median tooth, but with anterolateral corners onlyfaintly angulate; disk of mentum with about 3 elongate setae in irregular arrangement near middleand with much finer setae sparsely scattered throughout; basal labial palpomere very short,penultimate about 3 times as long, and expanded to apex, terminal labial palpomere about 1.25 timesas long as penultimate, slightly swollen basally, tapered to narrowly rounded apex, with few finesetae on outer surface. Antennal insertion immediately anterior to dorsal margin of eye, somewhathooded dorsally, open ventrally; scape (Fig. 9) as long as eye, ovoid in cross section, widest justbeyond middle, with an angulate emargination at posterior apex, a single elongate seta arising fromthe inner apex; scape in repose resting along anterior margin of eye, its inner surface arcuate andshallowly concave, its anterior surface with reticulate microsculpture and very fine setae; pedicel(Fig. 9) inserted in angulate posteroapical emargination of scape, abruptly curved and widened frombase, about one-fourth length of scape, with sparse setae subequal in length to its diameter;
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Santa Barbara Museum of Natural History 2559 Puesta del ... - BioOne

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