Ignelater inaguensis, Rosa, 2010

Rosa, Simone Policena, 2010, New Species Of Ignelater Costa (Coleoptera, Elateridae, Pyrophorini), Papéis Avulsos de Zoologia 50 (29), pp. 445-449 : 445

publication ID	https://doi.org/ 10.1590/S0031-10492010002900001
persistent identifier	https://treatment.plazi.org/id/EA6187F9-FFD2-FFC6-F032-B678FC2CFD8F
treatment provided by	Carolina
scientific name	Ignelater inaguensis
status	sp. nov.

Treatment

Ignelater inaguensis sp. nov.

Etymology: Allusive to the type locality, Great Inagua.

Diagnosis: Integument evenly dark-brown, except for the reddish humeral margin; elytra about 2.5 times longer than pronotum, slightly widened from humerus on anterior 1/2-2/3; antennae surpassing pronotal hind angles by 3 antennomeres.

Description: Male ( Fig. 1 View FIGURE 1 ). Body weakly convex ( Figs. 1 View FIGURE 1 , 2 View FIGURE 2 ); integument brown with humeral margin reddish; vestiture consisting of fine, short, dense and decumbent yellow setae. Total length: 17.5-21.5 mm; elytra 2.57-2.71 times longer than prothorax; humerus 1.02-1.04 wider than prothorax.

Head: Frons concave, quadragular (1.0-1.1 times wid- er than long); frontal carina complete medially; frontoclipeal region steeply declivous to base of labrum.

Punctation fine, dense and umbilicate. Antennae ( Fig. 2A View FIGURE 2 ) reaching the posterior angle of pronotum on the antennomere VIII; antennomere III 1.65 times longer than the II; antennomere IV 2.33 times longer than III, antennomeres IV-X serrate gradually decreasing in width (1.91-3.3 longer than wide). Indices of eye prominence 0.51 (ventral) and 0.50 (dorsal). Labrum semicircular, convex, strongly punctate with several long setae. Mandibles with latero-dorsal face coarsely punctate, with several long setae; inner margin with a subapical tooth, having a row of setae mesally at base. Last maxilary and labial palpi securiform.

Prothorax: 1.00-1.03 times longer than wide, margins parallel-sided from base of hind angles up to anterior 1/3, then convergent up to anterior margin. Pronotum slightly convex, with a small tubercle on median posterior margin, punctation fine, dense and umbilicate, spaces between punctures apparently micropunctate, with a pair of luminescent organs suboval, flattened and located laterally, adjacent to the carina of hind angles; visible beneath in the hypomera. Fore angles of pronotum acute, rounded laterally; hind angles narrow and elongate, divergent, unicarinate. Hypomera almost entirely pilose, except for a small elliptical area near hind angles, with punctation fine, dense and umbilicate; posterior margin sinuate, with a small spine directed posteromedially. Pronotosternal suture straight, divergent anteriorly. Prosternum elongate, produced forward covering mouth up to base of mentum, strongly and densely punctate in the medium longitudinal area; punctation smaller, denser in the lateral and anterior margins. Prosternal process straight with apical tooth. Scutellum pentagonal and abruptly elevated above the level of mesoscutum. Mesoventrite sloped posteriorly ca. 30° above the anterior region. Mesepisternun with a circular posteriorly carinate depression on the anterior margin. Metaventrite finely punctate, punctation moderately dense and umbilicate, denser on lateral margins. Tibiae with two small and subequal spurs and a row of spiniform setae on dorsal and ventral margins; tarsomeres simple, densely pilose on ventral face. Elytra. Sides slightly widened posteriorly from humerus on anterior 1/2-2/3, apices divergent; striae weakly impressed, interstices flat, rough, finely and densely punctate.

Abdomen: Punctation fine, dense and umbilicate, denser on lateral margins and on last ventrite posteriorly. First abdominal sternite with a pair of sclerotized lamellae, with a small luminescent organ 3 times longer than wide, occupying ca. 0.03 of the sternite width. Tergite VIII ( Fig. 2I View FIGURE 2 ) evenly sclerotized, V-shaped, almost straight at base, constricted near the truncate apex, clothed with fine and short setae, longer on posterior and laterodistal margins. Sternite VIII ( Fig. 2H View FIGURE 2 ) transversal, partially membranous; posterior margin emarginated at middle, with long setae posterolaterally. Sternite IX ( Fig. 2G View FIGURE 2 ) bisinuose at base, tapered to apex from posterior third, covered with fine setae, longer at posterior margin. Tergite IX ( Fig. 2J View FIGURE 2 ) with anterior margin sinuose, posterior margin bilobate with several short setae lateroposteriorly; tergite X ( Fig. 2J View FIGURE 2 ) semioval, glabrous.

Aedeagus ( Figs. 2 View FIGURE 2 B-2F): Phallobase inverted C-shaped, tapered laterally. Parameres with apex membranous and rounded, with laterodorsal oblique carina produced forming a lateral spine, bearing several elongate setae ventrally and short setae dorsally; articulated to dorsal sclerite of penis through a median penis process. Dorsal sclerite of penis ( Figs. 2E, 2F View FIGURE 2 ) with lateral elongate and rounded tubercles covered with short spines dorsally and ventrally; spines directed dorsomedially; posterior region with half width of tuberculate area, apex triangular. Basal struts 0.32 as long as the total length of penis. Ventral sclerite of penis ( Fig. 2D View FIGURE 2 ) slightly wider than the third width of the dorsal sclerite with lateral folders pleat-like, covered by minuscule spines.

Distribution: BAHAMAS. Great Inagua.

Type material: Holotype. [ BAHAMAS. Great Inagua Island, North Coast Road N21.10813 W73.60196, 13-07-2007, Thomas, Turnbow & Smith], [blacklight trap in mature mangrove forest] ( FSCA) GoogleMaps . Paratypes. Same labels of holotype, 3 males ( FSCA); same labels, 1 male ( MZUSP) .