Rhamphomyia albibasis Frey, Frey 1935

• Main Author: Shamshev, Igor V.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Rhamphomyia; Rhamphomyia albibasis; Kamchatskiy; Kamchatka; Kamtschatka
• Online Access: https://zenodo.org/record/3812092; https://doi.org/10.5281/zenodo.3812092

albibasis Frey, 1935: 1 (Rhamphomyia (Pararhamphomyia)) Current name. Rhamphomyia (Pararhamphomyia) albibasis Frey, 1935. Type locality (by lectotype designation): Russia, Kamchatka. Notes on the type series. Frey described this species after the female sex only. He noted the following material: “ 4 ♀, Kamtchatka (Malaise). Ausserdem 1 ♀ -Exemplar im Helsingforser Museum vom Jenissei: Kantaika (J. Sahl- berg), schon früher von Becker (Acta Soc. Scient Fenn., XXVI, S. 26, n: o 28, 1900) als Rhamphomyia sp. erwähnt”. Three females were found in NHRS. Type materials examined. LECTOTYPE (here designated in order to fix identity of the species), ♀ (Fig. 19), labelled (Fig. 20): “ Kamtschatka / Malaise ”; “317”; “Spec. typ.”; “ Rhamphomyia / albibasis n. sp. [hand-written by Frey]/ R. Frey det.”; “ Rhamphomyia / albibasis Frey [modern Museum label]”; “ Lectotypus ♀ / Rhamphomyia / albibasis Frey, 1935 / design. Shamshev, 2019” (NHRS). The lectotype is in good condition but right postpedicel + stylus and right hind tarsomeres 2–5 missing. PARALECTOTYPES: Kamtschatka, Malaise, Rhamphomyia albibasis Frey; Paralectotypus, Rhamphomyia albibasis Frey, 1935, design. Shamshev, 2019 (2 ♀, NHRS). Additional material examined. RUSSIA, Kamchatskiy Territory: Kamchatka, Elovka, 24.vi.1929, Novograblenov; Rh. albibasis Frey, Frey det. (1 ♀, ZIN). Diagnosis. Small, blackish grey, black setose species with anal vein (CuA+CuP) incomplete and halter yellow; female wing somewhat broadened, bicoloured, legs with simple setae. Re-description. Female (Fig. 19). Lectotype body length 3.5 mm; wing length 3.6 mm. Head with dense greyish pruinescence on face, frons, ocellar tubercle and occiput. Eyes dichoptic, ommatidia equally small. Frons very broad, slightly widened toward ocellar tubercle; with short marginal setae. Face broad, bare. Ocellar tubercle with 2 stronger (both missing) and several short fine setae. Occiput with numerous black setae shorter and finer near mouth-opening on lower part. Antenna black; scape slightly longer than ...