Carpophilus alexandrae Powell, 2020

Powell, Gareth S., 2020, Four New Species Of Carpophilus (Ecnomorphus) Motschulsky (Coleoptera: Nitidulidae: Carpophilinae) From The New World, The Coleopterists Bulletin 74 (1), pp. 175-180 : 176-178

publication ID 10.1649/0010-065X-74.1.175

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Carpophilus alexandrae Powell

sp. nov.

Carpophilus alexandrae Powell , new species ( Figs. 1A View Fig , 2A View Fig )

Type Material. Holotype male labeled “ PERU: Junin, 11km NE Puerto | Ocopa, Los Olivos , 1200m elev. | 11°3.00’S 74°15.52’W | 28-29-MAR-2009, A.V. Petrov | Ex. window trap at clear felling || HOLOTYPE: | Carpophilus | alexandrae | Des. Powell 2019 ” (deposited in BYU) GoogleMaps . Paratype (1): Labeled as holotype (1, GSPC).

Diagnosis. Carpophilus alexandrae resembles Carpophilus marginatus Erichson ( Fig. 1E View Fig ) and Carpophilus veraepacis Sharp ( Fig. 1F View Fig ) but differs in the following ways: elytral apices truncate (rounded in C. veraepacis and receding at midline in C. marginatus ); pronotal margins converging with rounded anterior fourth with weak lateral expansion (pronotal margins broadly rounded in C. veraepacis ); scutellar shield forming an acute point posteriorly (broadly rounded in C. marginatus ); coloration much darker (paler in C. marginatus ); and genitalia lacking bulge at midpoint on external margin (bulge present in C. marginatus ( Fig. 2D View Fig )).

Description. Body weakly ovate, moderately dorso-ventrally flattened. Length 1.28 mm, width 0.68 mm. Color dark brown, pronotal margins paler. Ventral surface light brown. Dorsal sculpturing moderately shiny; dorsum with fine, golden pubescence. Head: Narrower than pronotum, finely punctured. Punctures uniform in size, becoming sparser at midline. Fronto-clypeal region truncate, labrum emarginate, mandibles toothed, light brown. Palps fusiform, reaching about 2/3 length of mandibles. Eyes small, finely faceted, interocular distance 0.25 mm (n = 2). Antenna 1.5× longer than head; antennomere 1 robust and curved, antennomere 2 long, as long as basal segment, antennomeres 2 and 3 subequal in length, antennomeres 2–8 expanding apically, with each apical expansion conspicuously lighter in coloration, antennomeres 4–8 each about half length of antennomere 2, antennomeres 9–11 forming strong, compact club, slightly longer than wide. Pronotum: 1.88 times as wide as long, rounded sides weakly converging with anterior third, anterior angles broadly obtuse, posterior angles at right angle. Posterior margin with well-developed marginal line, particularly at middle. Disc flattened, moderately shiny, evenly punctured except at midline. Scutellar shield: Feebly pentagonal, sides almost sinuate, reaching acute point posteriorly. Anteriorly finely granulated, gradually becoming glabrous posteriorly. Elytra: Slightly wider than pronotum, wider than long. Humeri not pronounced. Anterior angles almost at right angles, sides mildly arcuate, posterior angles slightly obtuse, apices truncate, subparallel to pronotal hind margin. Abdomen: Two tergites dorsally visible, golden brown setae denser than on rest of dorsum. Pygidium rounded with distinct, evenly spaced punctures. Venter: Overall paler; submentum narrow and transverse; antennal grooves well-developed. Prosternum coarsely punctate, punctures with fine, golden setae, process slightly convex in lateral profile, apically rounded. Mesothoracic ventrite finely punctured. Metathoracic ventrite setose, finely punctate throughout. Abdominal ventrite 1 almost as long as metathoracic ventrite, abdominal ventrites 2–3 small, finely, sparsely punctate, ventrites 4 and 5 large, granulate, more densely pubescent. Legs: Somewhat short, femora robust, covered with fine, golden pubescence. Tibiae expanded apically, with 4–5 apical spines. Male genitalia: Wellsclerotized; lateral lobes weakly curved in dorsal view, forming elongate curvature ( Fig. 2A View Fig ); in lateral view, lobes mildly curved to sharp point, outer edge with obtuse angle, inner margin uniformly curved, patch of long setae at apex.

Variation. No notable variation observed. Female unknown.

Geographical Distribution. The type series is known from one locality in Peru.

Biology. All specimens studied were captured using a window trap.

Etymology. The specific epithet honors my loving wife, Alexandra Duffy.




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