Lamproclasiopa furvitibia
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Ordo: Diptera
Familia: Ephydridae
Genus: Lamproclasiopa
Name
Lamproclasiopa furvitibia Costa & Mathis & Marinoni, 2016 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnosis
This species can be distinguished from congeners by the following combination of characters: Small to moderately small shore flies, body length 2.00-2.24 mm. Head: Frons with yellowish tan to golden tan microtomentum, with slightly silver white microtomentum anteriorly and two small areas shiny black, without microtomentum; mesofrons evident by slight lateral lines. Antenna yellow; basal flagellomere with slightly darker dorsal margin. Face completely and more or less uniformly silvery white microtomentose, lacking vertical stripes; 2 prominent facial setae, dorsal seta at midheight, other seta near epistomal margin; parafacial thin, more densely silvery white microtomentose than face. Gena relatively short, gena-to-eye ratio 0.07–0.09. Thorax: Generally black. Mesonotum black with thin, golden brown microtomentum, subshiny, slightly less dense than microtomentum of frons; presutural supra-alar seta lacking; pleural areas more sparsely microtomentose than mesonotum, blackish brown to black, becoming less microtomentose ventrally and posteriorly, subshiny to shiny. Wing completely hyaline, lacking darkened areas; costal vein ratio 0.59–0.60; M vein ratio 0.70–72. Femora grayish to blackish brown, subshiny; forefemur with 4–5 stout, peg-like setae on apical third along posteroventral margin; tibiae blackish brown with distal third yellow; tarsi yellow. Abdomen: Tergites shiny black, with little or very sparse microtomentum. Male terminalia (Figs 82–85): Epandrium in posterior view (Fig. 82) nearly as wide as high, as in inverted, bow-shaped U, dorsal arch narrow, becoming wider ventrally, in lateral view (Fig. 83) tear-drop shaped, widest ventrally, ventral margin broadly rounded and bearing distinct row or setulae; cercus in posterior view (Fig. 82) hemispherical, not fused with ventral margin of cercal cavity, ventral portion diffuse, membranous, generally uniformly setulose, in lateral view (Fig. 83) narrowly and irregularly semicircular, slightly wider subdorsally than ventrally; gonite in ventral view (Fig. 84) more or less irregularly triangular, narrowed toward aedeagal base, wider toward hypandrium, in lateral view (Fig. 85) moderately elongate, rod-like, shallowly curved, end toward hypandrium narrower than opposite end; aedeagus in ventral view (Fig. 84) narrowly elongate, 6× longer than wide, basal half wider than narrow apical half, tapered, base narrowly bifurcate, apical half digitiform, apex narrowly rounded; phallapodeme in lateral view (Fig. 85) triangular, angular extensions toward aedeagal base and toward hypandrium digitiform, extension toward aedeagal base longer than extension toward hypandrium, keel robust, tapered, apex narrowly rounded, in ventral view (Fig. 84) elongate, bone-like, with apical and basal cross, both apices truncate; hypandrium in ventral view (Fig. 84) with anterior 2/3 more or less rectangular, lateral margin scalloped, posterior 1/3 slightly flared laterally, thumb-like extensions, posterior margin deeply emarginate, broadly V-shaped, in lateral view (Fig. 85) elongate, shallowly angularly rod-like, an elongate and shallow Z.
Type material
The holotype male of Lamproclasiopa furvitibia is labeled “COSTA RICA. Prov. San José. Moravia. Zurquí de Moravia, Tower path. 1600m. 6–13 SEP 2013. Proyeto ZADBI. Malaise trap #1, 0m, ZADBI-1136. -84:00:57 10:02:58 #107741/INB0004403109 INBIOCRI COSTA RICA [plastic bar code label]/HOLOTYPE ♂ Lamproclasiopa furvitibia Costa, Mathis & Marinoni MNCR-A [red].” The holotype is double mounted (glued to a paper triangle) and is in very good condition, and is deposited in MNCR-A. Thirty-four paratypes (13♂, 21♀; MNCR-A, USNM) bear the same label data as the holotype. Other paratypes are as follows: COSTA RICA. Cartago. Paraíso, Parque Nacional Tapantí (09°43.3'N, 83°46.5'W; 1600 m), 9 Mar – 29 Sep 2013, Proyeto ZADBI (7♂, 14♀; MNCR-A). Puntaneras. Coto Brus, Las Alturas Biological Station (08°56.7'N, 82°50'W; 1500–1600 m), 7–13 May 2013, Proyeto ZADBI (1♀; MNCR-A). Guanacaste. Macizo Miravalles, Cabro Muco Station (10°43.1'N, 84° 51.3'W; 1100 m), 22 Jun–9 Jul 2003, J. Azoifeifa. (2♂; MNCR-A).
Type locality
Costa Rica. San José. Zurquí de Moravia (10°2.8'N, 84°0.6'W; 1588 m).
Distribution
(Fig. 14). Neotropical: Costa Rica (San José, Puntaneras).
Etymology
The species epithet, furvitibia, is of Latin derivation, meaning darkened tibia and refers to the partially darkened tibiae, one of the distinguish features of this species.
Remarks
This species is closely related to Lamproclasiopa xanthocera but can be distinguished from it by having two small shiny black areas on the anterolateral portion of the frons and by having mostly blackish brown tibiae with the distal third being yellow. The shape of structures of the male terminalia also distinguishes this species from congeners.
Original Description
- Costa, D; Mathis, W; Marinoni, L; 2016: A revision of the shore-fly genus Lamproclasiopa Hendel (Diptera, Ephydridae) ZooKeys, (631): 1-99. doi
Images
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![Figures 82–85. Lamproclasiopa furvitibia sp. n. (Costa Rica. San José: Moravia) 82 epandrium and cerci, posterior view 83 same, lateral view 84 internal structures of male terminalia (aedeagus [shaded], phallapodeme, gonite, hypandrium), ventral view 85 same, lateral view. Scale bar = 0.1 mm.](/wiki/File:Zookeys-631-e10718-g029.jpg)
