Physodactylus gounellei, Rosa, 2014

Rosa, Simone Policena, 2014, Phylogenetic analysis and taxonomic revision of Physodactylinae (Coleoptera, Elateridae), Papéis Avulsos de Zoologia (São Paulo) 54 (18), pp. 217-292 : 267-268

publication ID

https://doi.org/ 10.1590/0031-1049.2014.54.18

persistent identifier

https://treatment.plazi.org/id/7B52527A-2430-FFB2-7588-64DDF1D5FE8B

treatment provided by

Felipe

scientific name

Physodactylus gounellei
status

sp. nov.

Physodactylus gounellei sp. nov.

( Figs. 21 View FIGURE 21 J-M, 35J)

Etymology: In honor to the French entomologist Pierre Émile Gounelle, who collected the holotype.

Description (male, Fig. 35J View FIGURE 35 ): Integument very bright; antennae, legs, pronotum and elytra light brown to brown; head and ventral surface of thorax dark brown; abdomen with ventrites 1-3 black with lateral borders light brown, ventrite 4 brown with lateral border lighter, V evenly light brown or brown with borders lighter; pilosity light to dark brown. Total length 10.0-11.0 mm; elytral base 0.96x as wide as prothorax, elytra 2.90-3.04x longer than pronotum. Frons concave along the anterior border, with a pair of transverse protuberances between antennal insertions; frontal carina strongly produced; antenna ( Fig. 21J View FIGURE 21 ) reaching the half length of pronotum; antennomere IV 1.28x wider than long, V-IX 1.67x wider than long; X 1.58x wider than long; XI oval, 1.25x longer than wide. Pronotum ( Fig. 21K View FIGURE 21 ) 1.20-1.24x wider than long, lateral sides rounded from posterior angles to anterior margin, strongly narrowed on anterior angles, anteromedian margin produced anteriad over head; posterior angles elongate, convex, parallel; lateral carina complete strongly prominent on posterior 2/3, not visible dorsally on anterior third; disc and lateral margin with punctures 1-2 diameters apart, larger on lateral and anterior borders, homogenously distributed; prosternal process without subapical tooth. Lamellae of pro- and mesotarsomeres I smaller than the others, present on metatarsomere I. Elytra subparallel on anterior 2/3 then tapering to apex; apical striae with a row of punctures as large as those of pronotal lateral border, interstices convex, smooth, scarcely punctate. Abdomen with ventrites 2-3 concave laterally, pilosity of the approximately inner 3/4 (0.76-0.80) of the ventrites 1-3 separated from those of the marginal plates by a shiny impuctate longitudinal band; ventrite 1 with short setae on inner 3/4 and a little longer and denser setae on marginal plate; ventrites 2-3 with setae a little longer, semi-erect and denser than those of the inner part of ventrite 1, spars- er and decumbent on marginal plate; ventrite 4 with setae sparser and longer than those of inner part of ventrite 3, denser on lateral border; ventrite 5 with setae denser and stouter than those of ventrite 4. Pregenitalic segments and aedeagus covered with brown setae. Sternite VIII subrectangular, nearly straight posteriorly, anterior sclerotization 0.69x the total width of sternite; sternite IX tapering to apex.

Aedeagus ( Fig. 21L, M View FIGURE 21 ): Phallobase 0.49x the total length of aedeagus, 1.33x longer than wide, length ratio between lateroposterior and median parts 3.37; paramere with ventral surface sclerotized, with anteromedian margin distinct; penis with basal strut 0.31x its total length, articulated to the parameres by a translucent membrane; ventral sclerite tapering to apex.

Holotype: [Bello Horizonte, Minas], [Museum Paris, Brèsil, E. Gounelle. 1911], [Comparé au type par J. Chassain = conforme], [ Physodactylus carreti Fleut. , v. testaceipennis Flx. J. Chassain det. 05], male (MNHN). Paratypes: [Muséum Paris, Coll. Gounelle, 1915], [Muséum Paris, Coll. E. Fleutiaux], [Comparé au type par J Chassain, conforme], [ Physodactylus carreti Fleut., J. Chassain det 05], 1 ex. (MNHN); [Muséum Paris, Coll. Gounelle, 1915], [ Physodactylus carreti Fleut. , v. testaceipennis Flx., J. Chassain det 05], 1 ex. (MNHN).

Distribution: BRAZIL. Minas Gerais: Belo Horizonte.

Remarks: Physodactylus gounellei sp. nov. is similar to P. tuberculatus sp. nov. by its pronotal punctation and having the pilosity of the abdominal ventrites 1-3 divided laterally by a longitudinal smooth band, but differs from this species in its brown pilosity, lateral carina less prominent, anteromedian margin of pronotum less produced over head, absence of tubercle on pronotum, elytral striae with smaller punctures, the longer setae of the abdominal ventrite 1, the position of the smooth longitudinal band on the abdomen and by the stouter and denser setae on the ventrite 5.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Elateridae

Genus

Physodactylus

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