Rhagoletis antioquiensis Rodriguez & Norrbom, 2021

Rodriguez, Pedro Alexander, Norrbom, Allen L., Peñaranda, Guadalupe Caicedo Emilio Arévalo & Balseiro, Francisco, 2021, New species and host plant records for Neotropical Rhagoletis Loew (Diptera: Tephritidae), Zootaxa 5060 (2), pp. 231-244 : 232-236

Rhagoletis antioquiensis Rodriguez & Norrbom , new species

Figs. 1–13

Diagnosis. In the key of Hernández-Ortiz & Frías (2000) R. antioquiensis runs with difficulty to R. solanophaga , but differs from it and all other species of the Rhagoletis striatella species group in having the following combination of characters: scutum yellow-orange, black setulose, densely yellow microtrichose without discernable pattern; scutellum orange, concolorous with scutum, without paler yellow area; wing with subbasal and discal bands completely separated along entire length, discal and subapical bands completely separated along entire length, hyaline area between anterior and posterior apical bands extending to or almost to vein R 2+3; subscutellum and mediotergite completely yellow-orange without brown markings; syntergite 1+2 yellow, tergites 3–5 each with relatively broad brown band at midlength, often divided medially; oviscape entirely dark brown; and spermathecae spherical with minute papillae on surface.

Description. Mostly yellow to orange. Setae black.

Head: ( Figs. 2–4 ) Yellow to orange except brown ocellar tubercle. Setae black except genal and postocellar setae pale yellow and yellow, respectively; 3–4 frontal setae; 2 orbital setae, posterior and lateral vertical setae well developed, 9–10 postocular setae. Ocellar seta well developed, longer than frontal setae, frons with sparse black setulae. Facial carina well developed and broadened from midheight to oral margin. Third antennal segment yellow, twice as long as wide, slightly acute apically, extending to midheight of facial carina. Arista bare brownish black except base brownish yellow with few short black hairs. Occiput entirely yellow to orange. Palpus yellow with sparse black setulae.

Thorax ( Fig. 4 ): Mostly yellow to orange; postpronotal lobe and lateral margin of scutum bordering it whitish yellow; scutum otherwise yellow to orange; scutellum yellow to orange, except for small dark brown area basally on ventrolateral corner concolorous with scutum, without paler white to yellow area; subscutellum and mediotergite entirely yellow to orange, without brown markings. Mesonotum 2.46–3.23 mm long. Postpronotal lobe, notopleuron, scutum and scutellum entirely microtrichose; scutum without discernable pattern in microtrichose (pollinose) area, black setulose; 2 pairs of short black scapular setae; dorsocentral seta slightly anterior to postsutural supra-alar seta, acrostichal seta strong, anterior to intra-alar seta; 2 pairs of scutellar setae; 1 postpronotal, 2 subequal notopleural, 1 intra-alar, 1 postalar, 2 anepisternal, 1 katepisternal, and 1 anepimeral setae. Katepisternal seta black, well developed, as long as anepisternal seta. Legs: Entirely yellow to orange.

Wing ( Fig. 5 ): Length 6.8–7.2 mm. Pattern with dark brown subbasal, discal, subapical, anterior apical and posterior apical bands; subbasal and discal bands and discal and subapical bands completely separated along entire length; posterior apical band one-third width of subapical band; hyaline area between anterior apical and posterior apical bands extended to vein R 2+3; hyaline area between subapical and posterior apical bands extended very close to vein R 4+5.

Abdomen (female, Fig. 6 , male, Fig. 7 ): Predominantly yellow, including all of syntergite 1+2 and tergite 3. Female tergites 4–6 each with pair of medially separated rectangular brown marks or relatively continuous broad brown band at midlength. Male tergite 4 with a relatively broad and faint brown band near midlength, tergite 5 with a broad “moustache shaped” brown mark, with small medial, posterior indentation. All tergites with sparse black setulae.

Male Terminalia ( Figs. 8, 9 ): Epandrium brown dorsally, paler ventrally, with black setulae, in lateral view higher than long. Proctiger large, membranous, with some pale brown setae. Surstyli elongate; medial surstylus with two well developed subequal prensisetae; lateral surstylus 1.5 times epandrium height, in lateral view long, straight and slender, with preapical tooth-like anterior lobe, part distal to prensisetae approximately half as long as part proximal to prensisetae.

Female Terminalia ( Figs. 10–13 ): Oviscape entirely dark brown, 1.2–1.4 mm long. Eversible membrane ( Fig. 10 ) with numerous triangular denticles in multiple V-shaped rows. Aculeus ( Fig. 11 ) straight, 1.52–1.68 mm long, 0.24–0.26 mm wide, aculeus tip ( Fig. 12 ) 0.26–0.28 mm long, tapering gradually to apex, lateral margin nonserrate. Spermathecae spherical with a few minute spicules on surface ( Fig.13 ).

Distribution. Known only from Colombia, Antioquia department (Abejorral, Caldas and La Unión) between 2241–2521 meters altitude.

Type data. Holotype ♀ MPUJ ( ICAMF00000478 ), COLOMBIA: Antioquia: Caldas, vereda la Salada, 6.0013°N 75.6161°W, 2241 m., McPhail trap 4, 5 Sep 2018 . Paratypes: COLOMBIA: Antioquia: Abejorral, El Buey, 5.8820°N 75.3526°W, 2294 m., McPhail trap 28, 11 Sep 2019, 1♂ ( ICAMF00000481 ) , 20 May 2021, 1♀ ( ICAMF00000637 ) . La Unión, vereda San Miguel predio La Pradera, 5.9303°N 75.3054°W, 2442 m., McPhail trap 14, 10 Apr 2018, 1♀ ( ICAMF00000479 ) ; vereda Quebrada Negra, finca La Esperanza, 5.9680°N 75.3772°W, 2521 m., McPhail trap 10, 27 Sep 2019, 1♀ ( ICAMF00000480 ) ; vereda San Miguel Santa Cruz, predio La Pradera, 5.9302°N 75.3055°W, 2438 m., McPhail trap 14, 12 Mar 2020, 1♀ ( ICAMF00000557 ) .

Biology. Host plant unknown.

Etymology. The name of this species is derived from Antioquia department where the type series was collected.

Figures

FIGURES 1–4. R. antioquiensis female (Colombia: Antioquia, La Unión ICAMF00000480): 1, Habitus; 2, Head frontal; 3, Head lateral; 4, Thorax and head, dorsal.

FIGURES 5–9. R. antioquiensis: 5–6, female (Colombia: Antioquia, La Unión ICAMF00000480); 5, Wing; 6, Abdomen dorsal; 7–9, male (Colombia: Antioquia, Abejorral ICAMF00000481); 7, Abdomen dorsal; 8–9, Male terminalia, epandrium and surstyli; 8, Posterodorsal; 9, Lateral.

FIGURES 10–13. R. antioquiensis (Colombia:Antioquia, La Unión ICAMF00000480); 10, denticles of eversible mebrane; 11, aculeus; 12, aculeus tip; 13, Spermatheca. 14, R. jamaicensis female (Colombia: Anolaima ICAMF00000512) habitus, lateral; 15, Rhagoletis. sp., psalida complex female (Colombia: Bogotá, ICAMF00000534), habitus, dorsal, on host plant and copulating on a stem of S. interandinum Bitter.