Difference between revisions of "Eucalantica powelli"
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Ordo: Lepidoptera
Familia: Yponomeutidae
Genus: Eucalantica
Name
Eucalantica powelli Sohn sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Holotype ♂ – COSTA RICA: Cartago, Cerro de la Muerte, La Georgina, 9°34'N; 83°45'W, alt. 3000 m, 23–25 June 1985, J Powell & PA Opler, GSN [EMEC-JCS 012] (EMEC). Paratypes (1♂4♀) – COSTA RICA: 1♀, San José, 4.6 km E from Villa Mills, Sendero al Mirador, Est. Cuericí, 9°34'N; 83°43'W, alt. 2640m, 17–22 March 1996, A Picado, GSN [SJC 806] (INBIO). 1♂, Cartago,7 km SE El Cañón, 9°40'N; 83°55'W, alt. 2500 m, 28 May 1985, J Powell & JT Doyen (EMEC); 3♀, Cartago,Villa Mills, 9°34'N; 83°43'W, alt. 3000 m, 3–4 July 1999, J Powell, GSN [EMEC-JCS 002] (EMEC).
Diagnosis
This new species is similar to immaculate variants of Eucalantica polita (Fig. 8) but differs from the latter in having posterior suffusion on entire dorsal margin of forewings. They are also distinguished by the male genitalia, i.e. triangular projection on valva closer to sacculus in Eucalantica powelli, and also by the female genitalia, i.e. the presence of posterolateral semicircular pleats (indicated with an asterisk in Fig. 32) in Eucalantica powelli.
Description
(Fig. 12). Forewing length 7.0–10.0 mm (mean=8.48mm, n=5); dorsal margin with a row of black dots from the base to the basal 1/3; posterior suffusion on distal 2/3 of dorsal margin, sinuate, orange, with an intermittent black line on upper boarder; terminal line on posterior half of termen, black, intermittent; fringes white in basal half, reddish brown in distal half.
Male genitalia
(Figs 25, 26) (2 preparations examined). Uncus (Fig. 25a) elongate, subrectangular, as long as tegumen, with a pair of digitate lobes posterolaterally; socii digitate, as long as saccus, long-hairy dorsally, with four terminal spines in a row, third and fourth spines from top longest, followed by second, first in order of length (Fig. 25b). Tegumen parallel-sided; subscaphium (Fig. 25d) appressed to tegumen. Valva obovate; costa slightly curved at distal 1/3; sacculus with a small triangular bulge at basal 1/3 (Fig. 25c). Saccus digitate. Aedeagus (Fig. 26) slender, of even width throughout, narrower than saccus, apex oblique, slightly bent medially; with a zone of minute-spinulate cornuti 1/5 as long as aedeagus.
Female genitalia
(Fig. 32) (2 preparations examined). S8 slightly oblique laterally, weakly sclerotized, with a pair of setose humps posteromedially; interspace between S8 humps with minute thorns; a pair of semicircular pleats lateroposteriorly (indicated with an asterisk in Fig. 32). Apophysis posterioris 4× longer than apophysis anterioris excluding basal Y-fork; longer branch of Y-fork 3× longer than shorter branch, 2.5× longer than apophysis anterioris. Ductus bursae 2× longer than corpus; antrum in posterior 1/6 of ductus bursae, cylindrical, with minute thorns on inner wall (Fig. 32a); ductus seminalis weakly sclerotized at connection with ductus bursae; bulla seminalis absent. Corpus bursae globular; signum absent.
Distribution
Costa Rica (high elevations of Cartago Province).
Etymology
The new species is named after Dr. Jerry A. Powell, director emeritus of the Essig Museum of Entomology, the University of California, Berkeley, in appreciation of his assistance with the first author's work.
Original Description
- Sohn, J; Nishida, K; 2011: A taxonomic review of Eucalantica Busck (Lepidoptera, Yponomeutidae) with descriptions of six new species ZooKeys, 118: 75-96. doi
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