Psychocha Ježek, 1983

Omelková, Markéta & Ježek, Jan, 2017, Two new species of Jungiella (Diptera: Psychodidae: Psychodinae) from the Palaearctic Region, Zootaxa 4250 (6), pp. 560-576 : 562-569

Subg. Psychocha Ježek, 1983

Jungiella s. str. according to Vaillant, 1972: 83, partim Type-species: Telmatoscopus soleatus var. acuminatus Szabó, 1960

acuminata ( Szabó, 1960) (Telmatoscopus) : p. 426 — Europe occidental and central; Turkey ( Wagner et al. 2013, p. 164)

aquatica Ježek, 1983 : p. 240 — Czech Republic

barlasi Koç & Tonguç, 2013 (in Wagner et al. 2013) : p. 160 — Turkey

calcicola Vaillant, 1972 : p. 88 — France

domusdemariae Wagner & Salamanna, 1984 : p. 50 — Sardinia

geniculata Krek, 1971 : p. 173 — Balkan

geniculatoides Wagner & Koç, 2013 (in Wagner et al. 2013) : p. 159 — Turkey

hassiaca Wagner, 1993a : p. 402 — Germany; Czech Republic ( Ježek et al. 2005, p. 79)

janiki Omelková & Ježek sp. nov. — Czech Republic

laminata ( Szabó, 1960) (Telmatoscopus) : p. 425 — Hungary, Serbia, Czech Republic; Germany ( Ježek & Schacht 2006, p. 478), Slovakia ( Oboňa & Ježek 2014, p. 207).

moravicae Krek, 1999: p. 190 — Balkan

parva ( Sarà, 1957) (Telmatoscopus) : p. 4 — Europe mer.

parvula ( Vaillant, 1960) (Telmatoscopus) : p. 170 — Europe occidental

procera Krek, 1971 : p. 176 — Balkan; Czech Republic ( Ježek 1982—p. 57)

revelica Vaillant, 1972 : p. 88 — France

ripicola ( Bellier, 1967) (Telmatoscopus) : p. 59 — France, Czech Republic, Balkan; Bulgaria ( Ježek 2004, p. 143), Greece ( Ježek & Goutner 1995, p. 111)

? rozkosnyi Vaillant, 1972 : p. 89 — Czech Republic

stranzica Wagner & Joost, 1988 : p. 32 — Bulgaria

syriaca Omelková & Ježek sp. nov. — Syria

transversa Krek, 1999: p. 192 — Balkan.

Subgenerically unplaced species of Jungiella Vaill. and unrecognized problematic taxa:

malickyi Wagner, 1987 : p. 18 — Tunisia (included tentatively in this genus by Wagner 1987)

occidentalis Wagner, 1987 : p. 18 — France (included tentatively in the genus by Wagner 1987)

pseudointerna Elger, 1978 : p. 477 — species inquirenda = Latin term meaning a species of doubtful identity, see ICZN 1999, Article 67, 2.5. The species was published as Jungiella spec. (nov. spec.?: „ pseudointerna “) Sic! valachica var. bosniaca Vaillant, 1972 : p. 93 — a name published after 1960 with the term „variety“ is deemed to be infrasubspecific, see ICZN 1999, Article 15.2.

Type locality. Czech Republic, south-eastern Moravia, White Carpathian Mts, Bílé Karpaty PLA and BR, vicinity of Valašské Klobouky, Bílé Potoky NR (6874c3), 49°06'56''N 18°01'38''E, 420 m a.s.l., steep meadow spring area with numerous calcareous fens with strong tufa formation, rills, forest margins. Vegetation: Petasites, Equisetum, Juncus, Carex, Eriophorum , Glyceria, Valeriana, Ophioglossum, Epipactis, Dactylorhiza, Lilium, Dentaria.

Type material. Holotype: male, dissected on slide, 25.vi.2006 (MT), M. Omelková leg., Cat. No. 34651, Inv. No. 21962.

Paratypes: 1 male, dissected on slide; Bílé Karpaty PLA and BR, Lipová (near Slavičín) (6873c4), 397–415 m a.s.l., polluted brook, SE part of the village, vegetation: Sambucus , Alnus , Salix , Rubus , Urtica ; 22.vi.2005 (SW), J. Ježek leg., Cat. No. 34655, Inv. No. 21966;

1 male, dissected on slide, Bílé Karpaty PLA and BR, Brumov-Bylnice, Bylnička brook between Díly and Dolní Duboviny (6974a2), 475 m a.s.l., forest headwaters, beech forest, vegetation: Picea , Mentha, Caltha, Equisetum, Impatiens ; 23.vi.2005 (SW), J. Ježek leg. Cat. No. 34652, Inv. No. 21963;

1 male, dissected on slide, Bílé Karpaty PLA and BR, Sidonie –near Hostinec u Pekařů (6974c2), 375 m a.s.l., outflow of a small pond lock, cascades, rotten wood, vegetation: Sambucus , Salix , Crataegus, Cornus, Equisetum ; 30.v.2007 (SW), J. Ježek leg. Cat. No. 34653, Inv. No. 21964;

1 male, dissected on slide; Bílé Karpaty PLA and BR, Sidonie–Mlýn (6974c2), 350 m a.s.l., forest edge, seepage water, vegetation: Fagus , Sambucus , Acer , Crataegus , Scirpus , Petasites , Mentha , Leonurus , Myosotis , Rubus , Poaceae ; 30.v.2007 (SW), J. Ježek leg. Cat. No. 34654, Inv. No. 21965.

Description. Male. Head almost circular from frontal view, vertex elevated, paired cornicula developed ( Figs 1, 3 ), club-shaped, as long as distance between both bases of first palpomere, insertions of postocular bristles on dorsal margins of eyes not enlarged ( Figs 1, 2 ). Eyes separated, narrowest upper part of frontoclypeus equals two facet diameters or a little more, eye bridge with 4 facet rows ( Figs 1, 2 ). Ratio of the distance of the apices of eyes (tangential points) to the minimum width of frons is approximately 6.6:1. Interocular frontal suture well sclerotized, U-shaped, doubled by parallel ligament, barely transparent, almost fused in the middle with frontal suture ( Fig. 2 ). Frontoclypeus ( Fig. 1 ) with conspicuous, three-lobed central scar patch with wide oblong base, medial irregularly narrow lobe inversely T-shaped, prolonged almost to the interocular suture ( Fig. 2 ), with limited and hardly pointed parallel lobes ( Fig 1 ).

Antennae ( Figs 4, 5 , 8 ) with 14 flagellomeres and covered with microtrichiae. Scape prolonged, cylindrical, conspicuously widened distally (twice broader than the basis), 3.5 times longer than spherical pedicel. Flagellomeres amphora-shaped, asymmetrical, necks generally shorter than swollen basal parts. Flagellomere 14 with bulbose basal node, neck very short with ovoid apiculus. The sensory filaments (ascoids) digitate ( Fig. 8 ), conspicuously arcuate aside, as long as or a little longer than flagellomeres, paired.

Maxilla and palpus maxillaris ( Figs 6 , 9 ): relative length ratios of palp segments 1.0:1.4:1.5:2.2, apical segment annulated. Maxilla 1.3 times shorter than first segment, mouthparts extend beyond ends of basal palpomere ( Fig. 1 ). For terminal lobes of the labium ( Fig. 10 ), lines of spines between both lobes not developed (compare with Fig. 24 of Jungiella syriaca ). Relative ratio of maximum length of cibarium to length of epipharynx 2:1 ( Fig. 7 ).

Thorax. Dorsal fold of circular thoracic spiracle and shape of thoracic sclerites including insertions of macrosetae as in Fig. 11 . Length ratios of femora, tibiae and first tarsomeres: P1 1.7:2.1:1.0, P2 1.9:2.9:1.2 and P3 1.9:2.7:1.2, paired tarsal claws of P1 elongated and somewhat bent apically, setose in their basal part ( Fig. 13 ).

Wings ( Fig. 18 ) lancet-shaped, 1.9 mm long (paratypes 1.8–2.1 mm), not enlarged in anal and humeral regions, apically rounded, 3.4 times as long as its wide. Wing membrane translucent quite clear, without infuscation. Sc longer than basal cell, almost straight, somewhat thickened in the middle. R1 with long parallel barely sketched linear streak running from wing basis starting near Sc. Next strengthened veins: R1 distally (more than two thirds), R2+3 basally, R2, R4 only in basal cell, R5, M1+2 mainly in basal cell, CuA1 and CuA2 (the last conspicuously expanded in the origin). Radial fork is complete, medial fork sometimes slightly incomplete, tip of CuA2 always incomplete. Medial fork arises basal to apex of CuA2 and radial fork situated distal to the apex of CuA2. R5 ends beyond wing apex. Bases of M3, CuA1 and CuA2 not markedly connected. Halteres ( Fig. 12 ) stick-shaped, knobs covered with minute pedunculate scales; ratio maximum length to maximum width of halter 2.1:1.

Male genitalia with ejaculatory apodeme (basiphallus) almost elongate rectangular in dorsal view and stickshaped in lateral view ( Figs 14, 15 ). Aedeagal complex dorso-ventrally flattened, spatulate structure (parameral sheath) with a pair of lobuli distally, with a shallow cleft in between. Distiphallus ( Fig. 14 ) with paired trifid sclerites (proximal and distal pointed protuberances in line with both lamellae of distiphallus, outer strong protuberance is directed backwards to basis of distiphallus). Sometimes acute tip is doubled–the paratype from the bank of Bylnička brook. „Glenoid blades“ not visible, only partially developed. Furca developed ( Fig. 17 ). Gonocoxites ( Figs 14, 16 ) regularly cylindrical. Gonostyli thin, slightly bent, gradually tapering to acute end, 1.5 times as long as gonocoxites. Epandrium ( Figs 19, 20 ) bare in its proximal part, with some caudal hair insertions on both sides of the deep epandrial notch. Middle aperture transversely prolonged, approximately kidney-shaped, considerably sclerotized in perimeter. Remainder of ventral epandrial plate well bordered, but only membraneous. Almost entire hypandrium narrow ( Fig. 14 ), however, with more or less developed lobate protuberance in the middle. Hypoproct twice as long as semicircular epiproct, hypoproct almost tongue shaped or triangular, with rounded caudal tip; both parts microsetose ( Figs 19, 20 ). Surstyli ( Figs 19, 20 ) more than 1.5 times longer than epandrium, slightly C-shaped from lateral view, subapically with stable number of 12 retinaculi which are gradually shorter towards top of surstylus. Retinacula are apically frayed ( Figs 19, 20 ).

Female unknown.

Differential diagnosis. Jungiella janiki sp. nov. differs from J. calcicola Vaillant, 1972 by the hypandrium with central lobate protuberance without distal cleft in the middle, the proximally almost square ejaculatory apodeme, the trifid sclerite of aedeagal complex not surrounded by a sclerotized ring, divergent distal arms of trifid sclerites (sometimes acute tips are doubled), shallow cleft between distal lobuli of aedeagal complex (all previously mentioned characters see Fig. 14 ) and surstylus subapically with 12 retinacula ( Fig. 19 ). The holotype of J. calcicola (based on the original description) has a bilobed hypandrium with a central shallow cleft, proximally rounded ejaculatory apodeme, trifid sclerite of aedeagal complex surrounded by a sclerotized ring, convergent and simple distal arms of trifid sclerites, deep cleft between distal lobuli of intromitten region and surstylus subapically with 9 retinacula ( Vaillant, 1972). Jungiella geniculata Krek, 1971 has acute tips of distal arms of trifid sclerites of aedeagal complex doubled as sometimes janiki , however, convergent. All three mentioned species belong to the subgenus Psychocha , where only rudimentary joint coupling of paired caudal sclerites („glenoid blades“) inside of spatula is visible.

Etymology. The species is named after Miroslav Janík, protector and head of the Folk Museum Building in Valašské Klobouky (known as Kosenka), situated near the Bílé Potoky NR, where the holotype was collected.

Bionomics. Unknown.

Distribution. Czech Republic.

Figures

FIGURES 1 – 7. Jungiella janiki Omelková & Ježek sp. nov. male. 1. Head, frontal view. 2. Frons and facets in detail, frontal view. 3. Corniculus, lateral view. 4. Basal antennomeres. 5. Two medial antennomeres in detail. 6. Maxilla and basal palp segments in detail. 7. Cibarium, labrum and epipharynx. [Scale: 1, 7 = 0.2 mm; 4, 6 = 0.1 mm; 2, 3, 5 = 0.05 mm]

FIGURES 8 – 13. Jungiella janiki Omelková & Ježek sp. nov. male. 8. Apical flagellomeres. 9. Maxilla and palpus maxillaris. 10. Terminal lobes of labium. 11. Thoracic sclerites, lateral view. 12. Haltere, lateral view. 13. Tarsal claw of P 1, lateral view. [Scale: 9 – 12 = 0.1 mm; 8, 13 = 0.05 mm]

FIGURES 21 – 26. Jungiella syriaca Omelková & Ježek sp. nov. male. 21. Head, frontal view. 22. Corniculus, lateral view. 23. Basal antennomeres. 24. Terminal lobes of labium. 25. Tarsal claw of P 1, lateral view. 26. Aedeagal complex, lateral view. [Scale: 21 = 0.2 mm; 23, 24, 26 = 0.1 mm; 22, 25 = 0.05 mm]

FIGURES 18 – 20. Jungiella janiki Omelková & Ježek sp. nov. male. 18. Wing. 19. Epandrium and surstyli, dorsal view. 20. Epandrium and surstylus, lateral view. [Scale: 18 = 0.5 mm; 19, 20 = 0.2 mm]

FIGURES 14 – 17. Jungiella janiki Omelková & Ježek sp. nov. male. 14. Aedeagal complex and gonopods, dorsal view. 15. Aedeagal complex, lateral view. 16. Gonocoxite and gonostyle, lateral view. 17. Furca in different dorso-ventral views, in detail. [Scale: 14, 15 = 0.2 mm; 16 = 0.1 mm; 17 = 0.05 mm]