Iteaphila Zetterstedt
Creators: name: Sinclair, Bradley J.
name: Shamshev, Igor V.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Iteaphilidae
Iteaphila

description: Key to Iteaphila with unbranched radial vein (R 4+5) from the Palaearctic Region
1 Male [unknown for I. caelebs].......................................................................... 2
- Female [unknown for I. falki sp. nov., I. kyrgyzstanensis sp. nov., I. sakhalinensis sp. nov., I. aktruensis sp. nov.]........ 16
2 Eyes dichoptic....................................................................................... 3
- Eyes holoptic........................................................................................ 4
3 Stylus not much longer than wide; terminalia almost entirely yellow (Fig. 13).................... I. dichoptica sp. nov.
- Stylus much longer than wide; terminalia very dark..................................... I. kyrgyzstanensis sp. nov.
4 Epandrium oval, with broad dorsal bridge connecting lamellae and narrow, dorsally directed surstylus; hypandrium clothed with short shiny projections (Fig. 21).................................................... I. beringiensis sp. nov.
- Epandrium narrowed, longer than wide, prolonged posteriorly, with narrow dorsal bridge and posteriorly directed surstylus; hypandrium not clothed with short shiny projections......................................................... 5
5 Surstylus held erect to epandrium (Figs 45, 56, 61, 75)........................................................ 6
- Surstylus directed posteriorly (Figs 29, 30)................................................................. 9
6 Surstylus very narrow and shiny (Figs 61, 75)............................................................... 7
- Surstylus broader, round and narrow apically (Figs 45, 56)..................................................... 8
7 Surstylus hook-like, shorter than cercus (Fig. 75)............................................ I. zontaki (Nowicki)
- Surstylus elongate and straight, as long as cercus (Fig. 61)...................................... I. miranda sp. nov.
8 Surstylus tapered to narrow point (Fig. 56); cercus broad with posterior, subapical lobe (Fig. 57); phallus slightly arched and broad at apex........................................................................... I. spinosa sp. nov.
- Surstylus digitiform with rounded tip; cercus narrow without posterior, subapical lobe; phallus strongly arched and slender at apex (Fig. 45).......................................................................... I. gracilis sp. nov.
9 Anepisternum and katepisternum with shiny spot on middle.................................................. 10
- Anepisternum and katepisternum greyish pollinose.......................................................... 11
10 Apex of phallus narrowed, directed horizontally and slightly sinuous; hypoproct process elongate; hypandrium with subapical subtriangular projection (Fig. 29)........................................................... I. bartaki sp. nov.
- Apex of phallus not narrowed, evenly curved ventrally; hypoproct process short; hypandrium evenly curved subapically (Fig. 30)..................................................................................... I. falki sp. nov.
11 Phallic guide long, produced beyond epandrium as far as phallus, well visible in situ (Figs 32, 53).................... 12
- Phallic guide short, not produced beyond epandrium, not visible in situ (Figs 60, 67)............................... 13
12 Tibiae and usually halteres yellowish; cercus short, as long as surstylus; phallic guide subequal in width to phallus (Fig. 53)..................................................................................... I. luteitibia sp. nov.
- Tibiae and halteres dark; cercus long, longer than surstylus; phallic guide broader than phallus (Fig. 32).. I. ribesii (Becker)
13 Phallus bent subapically nearly 90°, directed straight before arched apically (Fig. 67)............ I. oedalina (Zetterstedt)
- Phallus not bent subapically nearly 90°, gradually arched and curved apically (Figs 59, 60, 70)....................... 14
14 Surstylus broad with rounded apex; phallus often projected well beyond epandrium (Fig. 60)............ I. incus sp. nov.
- Surstylus narrow, hook-like; phallus arched along margin of epandrium (Figs 59, 70).............................. 15
15 Phallus prolonged, arched to hypandrium (Fig. 59).......................................... I. aktruensis sp. nov.
- Phallus not prolonged, arched to apex of epandrium (Fig. 70)............................... I. sakhalinensis sp. nov.
16 Halteres pale........................................................................................ 17
- Halteres dark........................................................................................ 19
17 Antennal stylus (excluding apical sensillum) distinctly longer than wide........... I. spinosa sp. nov., I. luteitibia sp. nov.
- Antennal stylus (excluding apical sensillum) about as long as wide............................................. 18
18 Scutum viewed anteriorly subshiny, finely pollinose......................................... I. dichoptica sp. nov.
- Scutum viewed anteriorly densely pollinose...... I. gracilis sp. nov., I. caelebs (Becker), I. oedalina (Zetterstedt) [in part]
19 Antennal stylus (excluding apical sensillum) about as long as wide............................................. 20
- Antennal stylus (excluding apical sensillum) distinctly longer than wide......................................... 21
20 Anepisternum and katepisternum shiny...................................................... I. bartaki sp. nov.
- Anepisternum and katepisternum dull with pruinescence................................................................................................. I. zontaki (Nowicki), I. oedalina (Zetterstedt) [in part], I. incus sp. nov.
21 Sternite 8 shiny..................................................................... I. beringiensis sp. nov.
- Sternite 8 with pruinescence............................................................... I. ribesii (Becker)
description: Published as part of Sinclair, Bradley J. & Shamshev, Igor V., 2021, World revision of Iteaphila with unbranched radial vein (Diptera: Empidoidea: Iteaphilidae), pp. 1-89 in Zootaxa 4968 (1) on pages 80-81, DOI: 10.11646/zootaxa.4968.1.1, http://zenodo.org/record/4745566