Leptusa (Eucryptusa) ferroi Park & Carlton

Park, Jong-Seok, Carlton, Christopher E. & Ferro, Michael L., 2010, Diversity and taxonomic review of Leptusa Kraatz (Coleoptera: Staphylinidae: Aleocharinae) from Great Smoky Mountains National Park, U. S. A., with descriptions of four new species, Zootaxa 2662, pp. 1-27 : 20

publication ID	https://doi.org/ 10.5281/zenodo.199052
DOI	https://doi.org/10.5281/zenodo.5020601
persistent identifier	https://treatment.plazi.org/id/03E2BD70-FFEA-8072-FF5C-29B7FC324D6D
treatment provided by	Plazi
scientific name	Leptusa (Eucryptusa) ferroi Park & Carlton
status	sp. nov.

Treatment

Leptusa (Eucryptusa) ferroi Park & Carlton View in CoL , new species

( Figs. 1 View FIGURE 1 i, 10a – m, Map 1)

Type material. Holotype. U.S.A.: Tennessee: ɗ, “ USA: TN: Blount Co. GSMNP Tremont N35°37.308’ 15 IV – 18 V 2006 W83°40.447’ SN22B -CWD Rear 1 -M Ferro”, “ HOLOTYPE, Leptusa ferroi Park and Carlton , des. 2010”. Paratypes (n=1). U.S.A.: Tennessee: Ψ, “ USA: TN: Blount Co. GSMNP middle Prorg Tr at 3944389 259358, 2200’ Berlese 17 June 2006, C. Ware, C. Shapico, J. Hudson” ( LSAM).

Diagnosis. Leptusa (Eucryptusa) ferroi is similar to L. (E.) brevicollis , but it differs by having a shorter tubus of the median lobe, a distinctively more slender median lobe in dorsal view ( Fig. 10 View FIGURE 10 l), and short mesoventral carina.

Description. Length 2.8 – 2.9 mm. Body brown, glossy; antennomeres 1 – 3, legs, and abdominal tergites II – IV somewhat brighter; antennomere 11, mouthparts yellowish brown ( Fig. 1 View FIGURE 1 i). Head pubescent, with setigerous punctures, and with microsculpture. Antennomeres 1 – 3 elongate, 4 longer than wide, 5 subquadrate, 6 – 10 transverse ( Fig. 10 View FIGURE 10 a). Carina on each side of ventral surface of head incomplete, fading before attaining gular suture.

Mouthparts. Labrum transverse, bearing 3 pairs of short setae, 7 pairs of long setae, a-seta, b-seta, and many pores ( Fig. 10 View FIGURE 10 b). Labium with two distal setae in a longitudinal row and several pores in median area; a pair of setal pores, 2 pairs of real pores and several pseudopores present in lateral area ( Fig. 10 View FIGURE 10 c). Labial palpi bearing 12 setae (a – h, α – δ), ( Fig. 10 View FIGURE 10 d). Mentum trapezoidal, bearing 4 pairs of main setae (b, u, v, w), 2 pairs of additional setae, and many pores ( Fig. 10 View FIGURE 10 e).

Thorax. Pronotum wider than head, approximately 1.39 times wider than long, pubescent, with setigerous punctures, and with microsculpture. Mesoventrite with distinct reticulate microsculpture. Mesoventrite incompletely carinate, carina extending approximately 1/3 length of mesoventrite. Metaventrite with setigerous punctures. Elytra wider than pronotum and abdomen, approximately 1.65 times longer than wide, approximately 1.52 times longer than pronotum, latero-posterior margin emarginate, pubescent, with setigerous punctures. Hind wings present.

Abdomen. Abdominal tergite VI approximately 1.31 times wider than long. Male abdominal tergite VII with single median elongate tubercle; tergite VIII with posterior margin rounded, bearing 4 pairs of main setae, and many additional short setae and pores ( Fig. 10 View FIGURE 10 f), sternite VIII with posterior margin rounded, bearing 7 pairs of main setae, and many additional short setae, and pores ( Fig. 10 View FIGURE 10 g). Female abdominal tergite VIII bearing 4 pairs of main setae, and many additional short setae and pores ( Fig. 10 View FIGURE 10 h), sternite VIII with posterior margin rounded, bearing at least 4 pairs of main setae, and many additional short setae and pores ( Fig. 10 View FIGURE 10 i).

Genitalia. Paramere as in Fig. 10 View FIGURE 10 j. Median lobe as in Figs. 10 View FIGURE 10 k – l. Spermatheca as in Fig. 10 View FIGURE 10 m.

Distribution. USA: Tennessee. Locations where L. (E.) ferroi has been collected in GSMNP as in Map 1.

Etymology. This species is named in honor of Michael L. Ferro (Louisiana State University, Baton Rouge), collector of the holotype.

Habitat. The holotype was emergent from CWD decay class II, and the female paratype was collected from sifted leaf litter. Both were from secondary forest in GSMNP.