Blastobasis tapetae Adamski

Adamski, David, 2013, Review of the Blastobasinae of Costa Rica (Lepidoptera: Gelechioidea: Blastobasidae), Zootaxa 3618 (1), pp. 1-223 : 71-72

Blastobasis tapetae Adamski , new species

( Figs. 127–128 , 307 , 350 , Map 22)

Diagnosis.— Blastobasis tapetae is similar to B. aedes in facies but differs from the latter by having a more widened uncus; a more protuberant mesial part of the gnathos; a more greatly upturned apicoventral margin of the ventral part of the valva; a less sparsely spinose apicoventral margin of the proximal flange of the dorsal part of the valva; and a sclerite of phallus that is more broadly curved from midlength. B. tapetae also has an anellus with a pair of apicolateral processes that are lacking in B. aedes .

Description.—Head: Vertex and frontoclypeus pale brown. Outer surface of labial palpus brown intermixed with pale-brown scales along apical margins of segments 1–2, inner surface pale brown intermixed with few brown scales. Antennal scape and pecten pale brown, flagellum brownish gray gradually darkening apically; first flagellomere in male dilated, inner surface of dilated part with 13 palmate sex scales (n=1), ( Fig. 307 ). Proboscis pale brown.

Thorax: Tegula with basal 1/2 with brown scales tipped with pale brown, apical 1/2 pale brown; mesonotum brown. Legs brown intermixed with pale-brown scales near midsegments and along apical margins of all segments and tarsomeres. Forewing ( Fig. 350 ): Length 4.8–5.0 mm (n = 2), pale brown intermixed with brown scales; submedian fascia incomplete or absent; cell with or without a short, brown streak near middle, and with two brown spots on apical end along crossvein; marginal spots brown. Undersurface brown. Hindwing: Translucent pale brown gradually darkening to apex.

Abdomen: Male genitalia ( Figs. 127–128 ): Uncus slightly longer than wide, slightly narrowed from base to subapical region, narrowed from subapical region, forming broadly rounded apex, slightly downcurved, sparsely setose, about equal in length to width of anal opening. Dorsal strut of tegumen absent. Gnathos narrow, confluent with tegumen, posteroventral margin greatly protracted mesially, bidentate; midwidth of pigmented part of gnathos about equal in width to midwidth of uncus. Sockets of tergal setae extending beyond midlength of tegumen. Valva divided; ventral part broadly curved dorsolaterally beyond base, narrowed apically, forming inwardly curved spinelike process; process setose on outer surface, planate on inner surface; ventral margin setose from 1/6, greatly upturned, forming widened fold to near slightly raised setose lobe at base of apical process; dorsal part with apical portion of costa extending dorsolaterally, forming setose digitate process; digitate process broadly curved inwardly; area beneath costa overlaid with dense microtrichiate membrane, extending above and below phallus to opposite side; phallus and sclerite of phallus longer than valva; basal ridge of digitate process protracted ventrally fusing with dorsolateral ridge of proximal flange; ventral margin of proximal flange extending lateroventrally, forming broadly rounded ridge; proximal flange bearing small spinules intermixed with sparse microtrichiae. Juxta bandlike. Vinculum semicircular. Phallus and sclerite of phallus longer than valva; phallus slightly curved, sclerite of phallus broadly curved from slightly beyond middle; anellus gradually narrowed from base, setose, bearing two large, recurrent, barblike processes from apical region. Female Genitalia: Unknown.

Holotype, 3, “Est[ación] Pitilla, 700 m, 9 km S St[an]a Cecilia, P[arque] N[acional] Guanacaste, Prov[incia] Guana[caste], COSTA RICA, C. Moraga, Jun[io] 1991, L-N-330200, 380200, “INBio: COSTA RICA: CRI000, 699950 [barcode label], “INBio 3 Genitalia Slide by D. Adamski, No. 3568 [yellow label].

Paratype: 1 3, “Estación Pitilla, 9 km S Santa Cecilia, P.N. Guanacaste, Prov. Guan., COSTA RICA, 700 m, 23–26 Jun. 1993, Taller Microlepidoptera, L-N-330200, 380200, # 2183, “CRI001, 835940, “Slide No. 3535, “USNM 83866 [paratype in USNM].

Distribution (Map 22). Blastobasis tapetae is known from one collecting site on the western most part of the Cordillera de Guanacaste in northwestern Costa Rica.

Etymology. The specific epithet tapetae is derived from the Latin tapeta meaning, a drapery or tapestry.

Figures

FIGURES 123 – 128. Male genitalia of Blastobasinae. 123 – 124, Blastobasis phaedra (slide 3933). 125 – 126, Blastobasis aedes (slide 3519). 127 – 128, Blastobasis tapetae (slide 3568).

FIGURES 300 – 307. Male sex scales on first flagellomere of Blastobasis. 300, Blastobasis deliciolarum. 301, Blastobasis abollae. 302, Blastobasis lex. 303, Blastobasis vesta. 304, Blastobasis nivis. 305, Blastobasis phaedra. 306, Blastobasis aedes. 307, Blastobasis tapetae.

FIGURES 344 – 351. Imagos of Blastobasinae. 344, Blastobasis abollae, holotype. 345, Blastobasis lex, holotype. 346, Blastobasis vesta, holotype. 347, Blastobasis nivis, holotype. 348, Blastobasis phaedra, holotype. 349, Blastobasis aedes, holotype. 350, Blastobasis tapetae, holotype. 351, Blastobasis rotae, holotype.