Forcipomyia (Metaforcipomyia) germinata , Spinelli, Gustavo R., Marino, Pablo I. & Borkent, Art, 2012

Spinelli, Gustavo R., Marino, Pablo I. & Borkent, Art, 2012, A revision of Biting Midges of the Subgenera Forcipomyia (Metaforcipomyia) and F. (Saliohelea) from Costa Rica (Diptera: Ceratopogonidae), Zootaxa 3419, pp. 1-52: 29-31

publication ID

http://doi.org/ 10.5281/zenodo.215031

persistent identifier

http://treatment.plazi.org/id/03A7878C-E36A-FFD8-53D2-BEB98046FECE

treatment provided by

Plazi

scientific name

Forcipomyia (Metaforcipomyia) germinata
status

n. sp.

Forcipomyia (Metaforcipomyia) germinata  n. sp.

( Figs. 92–96View FIGURES 92 – 96, 117View FIGURES 116 – 119, 144View FIGURES 144 – 145)

Diagnosis. Male: only species of Neotropical Forcipomyia (Metaforcipomyia)  with an aedeagus with a short apicomedial prong, and parameres present. Female: unknown.

Description. Male. Head. Brown. Eyes abutting medially for length of two-three ommatidia. Antenna ( Fig. 92View FIGURES 92 – 96) pale brown with plume setae well developed, flagellomere 10 1.43–1.63 (1.50, n = 4) X longer than flagellomere 11, flagellomeres 10–13 elongate; flagellomere 13 with apical nipple not constricted basally; AR 1.04–1.08 (1.06, n = 4). Palpus ( Fig. 93View FIGURES 92 – 96) brown; segment 3 slender, with shallow sensory pit opening at midlength; PR 2.30–2.89 (2.63, n = 5). Labrum tapering apically.

Thorax. Uniformly brown. Legs uniformly brown; apex of hind tibia with 4 spines; tarsomeres with pectinate scales; tarsomere 1 of foreleg with row of dozen spine-like bristles, tarsomere 1 of hind leg with two rows of thick setae, tarsomeres 3–5 slightly paler; foreleg TR 2.75 –3.00 (2.83, n = 5), midleg TR 1.89–2.22 (2.07, n = 5), hind leg TR 2.00– 2.33 (2.14, n = 5); claws curved, moderately stout. Wing ( Figs. 94View FIGURES 92 – 96, 117View FIGURES 116 – 119) with pattern of pigmented membrane, with dark patch on its anterior margin and at the apices of M 2, CuA 1 and CuA 2; distribution of macrotrichia showing two distinct light spots in r 3, one behind of second radial cell, one subapical, faint distal light spots in m 1, m 2, distinct light spots in cua 1 and anal cell; M 2 only visible at wing margin; first radial cell obliterated; second radial cell well-formed; fork of cubitus situated slightly proximad to level of end of costa; wing length 0.80–0.92 (0.85, n = 5) mm; breadth 0.26–0.32 (0.28, n = 5) mm; CR 0.44–0.46 (0.45, n = 5). Halter whitish.

Abdomen. Tergites brown. Genitalia ( Fig. 95View FIGURES 92 – 96): Dark brown except gonostyli pale. Tergite 9 short, extending to 2 / 5 the length of gonocoxite; posterior margin broadly rounded; cercus lobe-like, slightly produced beyond midlength of gonocoxite; sternite 9 broad, posterior margin nearly straight. Gonocoxite stout, 2.15 X longer than greatest breadth; gonostylus 0.75 length of gonocoxite, almost straight, tip pointed. Parameres represented by a pointed, posteromesally directed projection, gonocoxal apodemes slightly concave. Aedeagus ( Fig. 96View FIGURES 92 – 96) stout, lateral margins sclerotized, slightly narrowed to broad, rounded tip, apex with short prong; basal arch extending to 1 / 4 of total length; lateral arms extending laterally.

Female. Unknown.

Distribution. This species is known only from the lowlands of western Costa Rica, from 100–750 meters ( Fig. 144View FIGURES 144 – 145).

Taxonomic discussion. The male of this species is readily distinguished from other Neotropical species of the subgenus by the shape of the apex of aedeagus which bears a short prong.

Type material. Holotype male on microscope slide, labeled “ HOLOTYPE Forcipomyia (Metaforcipomyia) germinata Spinelli, Marino and Borkent  , Costa Rica, 2 km NE Tárcoles, 17 -XII- 1993, Borkent, CD 1710 ” ( CNCI). Paratypes, 4 males as follows: Costa Rica, Puntarenas prov., Pto. Osa, Est. Agujas, 300 m, 15 /VII- 15 /VIII- 1999, J. A. Azofeifa, CD 5089, 1 male ( MLPA). Costa Rica, Puntarenas prov., Golfito, Corcovado NP, Est. Agujas, Los Charcos, 600 m, 15 -V / 15 -VI- 1999, J. Azofeifa, Malaise tp., CD 5176, 1 male ( INBC). Same data except C. Rincón, 745 m, 15 -VI / 15 -VII- 1999, CD 5354, 1 male ( INBC). Costa Rica, San José prov., San Isidro, 740 m, 17 -XI- 1999, A. Picado, CD 5048, 1 male ( INBC).

Derivation of specific epithet. The name germinata  – germen (bud, sprout) refers to the small, apical protrusion at the apex of the aedeagus.

CNCI

Canadian National Collection Insects

INBC

Instituto Nacional de Biodiversidad (INBio)