Lepidiella maculosa, Araújo & Bravo, 2019

Araújo, Maíra Xavier & Bravo, Freddy, 2019, Two new species of Lepidiella Enderlein, 1937 (Diptera: Psychodidae) from the Neotropical Region with taxonomic comments about the species of the genus, Zootaxa 4551 (4), pp. 487-493 : 487-489

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Lepidiella maculosa

sp. nov.

Lepidiella maculosa   , sp. nov.

( Figs. 1 View FIGURE 1 A–F)

Type material. Holotype, male: BRAZIL, Bahia, [Elísio Medrado], Serra da Jibóia, Sede GAMBA [Environmentalist Group of Bahia] [12° 51' S; 39 28' W], (ligth trap), 10.v.2017, Silva-Neto, Mendes & Moura cols. ( MZFS), specimen dissected, mounted on micro-slide. GoogleMaps  

Etymology. The specific epithet, from Latin maculosus, spotted, refers to the marks on hypandrium.

Diagnosis. Head without cornicula; eyes separated by 2.0 facet diameters; scape without internal protuberance; interocular suture inverted V-shaped; hypandrium with microtrichia arranged in circular groups; aedeagus symmetrical, bifid, digitiform with a medial external lobe; two pairs of parameres, external pair fused medially forming a U-shaped plate; internal pair well sclerotized, lanceolate.

Description. Male holotype. Head without corniculum. Vertex dorsally expanded. Eyes separated by 2.0 facet diameters; eye bridge with four facet rows; interocular suture inverted V-shaped; frons with hair patch not divided at center, extending dorsally and reaching the interocular suture ( Fig. 1A View FIGURE 1 ). Scape subspherical, approximately the same length as pedicel, without internal protuberances. Antenna incomplete; first three flagellomeres fusiform, each one with pair of filiform ascoids ( Fig. 1B View FIGURE 1 ). Relative palpomere proportion: 1.0:1.1:1.2:2.0 ( Fig. 1C View FIGURE 1 ). Wing ( Fig. 1D View FIGURE 1 ). 2.5 times longer than wide; wing membrane brownish, with costal cell darker; lighter spots between veins R 5 /M 1 to CuA; Sc not reaching C; sc-r absent; radial fork distal to medial fork; R 4 ending at wing tip; CuA not reaching wing margin. Male terminalia: hypandrium plate-like, subtriangular with microtrichia arranged in circular groups ( Figs. 1E, 1F View FIGURE 1 ); length of gonocoxite 0.3 times the length of gonostylus; gonostyli narrow, basally inflated, bare, except in the base with patch of alveoli; aedeagus symmetrical, bifid, distally digitiform; two pairs of parameres, external pair fused forming a U-shaped plate; internal pair ending at the same place of aedeagus, well sclerotized, lanciform, ending in pointed apex; ejaculatory apodeme dorsoventrally flattened ( Fig. 1E View FIGURE 1 ); epandrium 2.5 times wider than long, with two foramina and two distal patches of alveoli ( Fig. 1G View FIGURE 1 ); cercus digitiform, 1.2 the length of epandrium; left cercus with 12 tenacula ( Fig. 1F View FIGURE 1 ) and right cercus with 11 tenacula; hypoproct and epiproct subtriangular with apical micropilosity ( Fig. 1G View FIGURE 1 ).

Female: Unknown

Remarks. Males of five species of Lepidiella   have a head without cornicula: the Brazilian species L. flabellata Bravo & Santos, 2011   , L. maculata sp. nov., L. olgae Bravo & Araújo, 2013   and L. spinosa Bravo, 2005   , and one Costa Rican species, L. hansoni ( Quate, 1996)   . The males of these five species can be recognized using the male identification key proposed below.