Nascensluna mellea Fedotova et Perkovsky, 2014

Fedotova, Z. A. & Perkovsky, E. E., 2014, New Gall Midges (Diptera, Cecidomyiidae, Brachineurini, Ledomyiini) From The Late Eocene Rovno Amber, Vestnik Zoologii 48 (1), pp. 35-50 : 43-44

Nascensluna mellea Fedotova et Perkovsky , sp. n.

M a t e r i a l. Holotype. SIZK N UA–1601 , well preserved inclusion of female with tarsi partly missing, Rovno amber, Late Eocene ( fig. 4, 1–4 ; 8 , 5–7 ). Syninclusions : Phoridae , 6 hymenopteran larvae (including 5 larvae separated in the piece UA –1602).

D e s c r i p t i o n. F e m a l e ( fig. 4, 1–4 ; 8 , 5–7 ). Body 1.8 times as long as antennae. Wings 2.1 times as long as antennae. Large eyes completely cover lateral side of head. Scape and pedicel are almost transversal. First flagellomere is slightly longer than 2nd, 2.2 times as long as wide; 5th flagellomere barrel-shaped, 1.5 times as long as wide. Tenth flagellomere 2.3 times as long as wide, 1.2 times longer than 9th flagellomere and slightly shorter than 5th. Palpi are unclear. Wing is 2.8 times as long as wide; Cu slightly curved. 1st hind tarsomere 4.7 times shorter than 2nd. Cerci of ovipositor pointed apically, covered by short setae.

Рис. 5. Rhizomyia parkalovi , самка, голотип (инв. номер K–7385 коллекции Института зоологии НАН Украины): 1 — общий вид; 2 — голова; 3 — щупик; 4 — 9–10-й членики жгутика; 5, 6 — 1-й членик лапки (изменчивость формы); 7 — 5-й членик жгутика, 8 — вершина брюшка. Масштабные линейки 0.1 mm.

M e a s u r e m e n t s, mm: body length, 0.66; wing length, 0.74; wing width, 0.26; antennal length, 0.36; head length, 0.21; thorax length, 0.35; abdomen length, 0.43; length of fore:femur 0.28; tibia 0.26;length of middle:femur 0.23; tibia 0.30; length of hind: femur,0.30; tibia,0.31; tarsus, 0.49.

E t y m o l o g y. From the Latin adjective mellea (honey, pleasant).

Figures

Fig. 4. Nascensluna mellea, female, holotype (SIZK, N K–1601): 1 — general appearance; 2 — flagellomeres 8–10; 3 — flagellomere 5; 4 — ovipositor. Scale bars 0.1 mm.

Fig. 1. Rovnobrachineura kiryeyevi, male, holotype (SIZK, N K–3701): 1 — general appearance; 2 — scape, pedicel, flagellomeres 1–2; 3 — flagellomeres 8–10; 4 — flagellomeres 6–7; 5 — mouth parts and palpi; 6 — genitalia dorsally. Scale bars 0.1 mm.

Fig. 2. Brachineura polessica, female, holotype (SIZK, N K–1236): 1 — general appearance; 2 — scape, pedicel, flagellomeres 1–2; 3 — flagellomeres 9–10; 4 — flagellomeres 6–7; 5 — flagellomeres 3–5; 6 — palpus; 7 — middle tarsomeres 3–5; 8 — middle tarsomeres 1–2; 9 — middle tarsomere 1; 10 — middle tarsomere 5; 11 — ovipositor laterally. Scale bars 0.1 mm.

Fig. 3. Popovineura nacta, male, holotype (SIZK, N K–666): 1 — general appearance; 2 — scape, pedicel, flagellomeres 1–2; 3 — flagellomeres 5–6; 4 — flagellomeres 8–11; 5 — palpus; 6 — fore tarsus; 7 — fore tarsomere 5; 8 — genitalia. Scale bars 0.1 mm.

Fig. 8. Popovineura nacta, male, holotype (SIZK, N K–666) (1, 2); Ledomyia olgae, male, holotype (SIZK, N K–3697) (3, 4); Nascensluna mellea, female, holotype (SIZK, N K–1601) (5–7): 1–3, 7 — general appearance (1 — ×45; 2 — ×38; 3 — ×48; 7 — ×64); 4 — antennae (4 — ×129); 5 — hind leg (×82); 6 — head and antenna (×131).

Fig. 5. Rhizomyia parkalovi, female, holotype (SIZK, N K–7385): 1 — general appearance; 2 — head; 3 — palpus; 4 — flagellomeres 9–10; 5, 6 — tarsomere 1 (variability of shape); 7 — flagellomere 5; 8 — apex of abdomen. Scale bars 0.1 mm.

Fig. 6. Ledomyia olgae, male, holotype (SIZK, N K–3697): 1 — general appearance; 2, 3 — palpi (variability of shape); 4 — flagellomeres 9–11; 5 — flagellomere 5; 6, 7 — genitalia (6 — ventral view,7 — dorsal view).Scale bars 0.1 mm.

Fig. 7. Rovnobrachineura kiryeyevi, male, holotype SIZK, N K–3701 (1–3); Brachineura polessica, female, holotype (SIZK, N K–1236) (4, 5); Rhizomyia parkalovi, female, holotype (SIZK, N K–7385) (6, 7): 1, 4, 6 — head and antenna (1 — ×129; 4 — ×62; 6 — ×117); 2 — genitalia (×283); 3, 5, 7 — general appearance (3 — ×46; 5 — ×29; 7 — ×39).