Paracycloneura inopinata Jaschhof & Kallweit

Jaschhof, Mathias & Kallweit, Uwe, 2009, The Cycloneura Marshall group of genera in New Zealand (Diptera: Mycetophilidae: Leiini), Zootaxa 2090, pp. 1-39 : 26

Paracycloneura inopinata Jaschhof & Kallweit sp. n.

( Figs 20 , 78–79 )

Diagnosis. Paracycloneura inopinata is extremely similar to P. apicalis . It differs in the more extensively dark portions of the wing membrane, including the wing apex ( Fig. 20 ), and in several details of the male terminalia (see below).

Description. Male. Head. First antennal flagellomere light. Node of fourth flagellomere 2.3 times as long as wide.

Wing. Fig. 20 . Length 3.1 mm. Apex and a portion around CuA dark. Some setae present close to posterior margin, or setae absent.

Terminalia. Very similar to that in P. apicalis with differences as follows. Gonocoxites with 4–5 large ventromesal setae and ordinary setae elsewhere, setae along ventromesal margin very dense; warts on ventrobasal surface larger and more numerous; apicoventral lobe with 5 lateral bristles and 5–6 short blunt apical macrosetae plus 1 larger pointed macroseta; mesal lobe ( Fig. 78 ) shorter, with 1 large pale apical seta and 1 smaller pale mesal seta, lacking ordinary setae; sabre-like macroseta on apicomesal gonocoxal lobe inserted on short process. Gonostylus shorter, apical portion not winding, with 1 tiny subapical setula ( Fig. 78 ). Aedeagus/paramere complex more elongate, approximately subrectangular, covered by pubescent ventral lobe ( Fig. 79 ).

Female. Unknown.

Distribution and phenology. Endemic to NZ: SO (BR). Only known from an old-growth beech forest where it was collected together with P. apicalis in November.

Etymology. From Latin, inopinatus, unexpected.

Types. Holotype. Male*, New Zealand, South Island, Lake Daniells Track 7 km E Springs Junction, in mixed forest of red beech Nothofagus fusca and silver beech N. menziesii , 24 Nov. 2001, by sweepnet, M. Jaschhof (in NZAC). Paratypes. 1* male, same locality but 9 Nov. 2001 (in SMTD); 1* male (only terminalia preserved), same locality but 27 Nov. 2001, U. Kallweit (in SMTD).

Figures

FIGURES 19 – 25. Wings. 19: Paracycloneura apicalis Tonnoir, ventral view. 20: Paracycloneura inopinata sp. n., ventral view. 21: Tonnwardsia gen. et sp. n., ventral view. 22: Cawthronia nigra Tonnoir, ventral view. 23: Waipapamyia dentata sp. n., dorsal view. 24: Waipapamyia elongata sp. n., ventral view. 25: Waipapamyia truncata sp. n., ventral view.

FIGURES 71 – 79. Morphology in Paracycloneura spp., males. 71 – 77: Paracycloneura apicalis Tonnoir. 78 – 79: Paracycloneura inopinata sp. n. 71: Terminalia, dorsal view (0.1 mm). 72: apicodorsal lobe of gonocoxite, ventral view, apical macroseta broken (0.05 mm). 73: Flagellomere 4, lateral view (0.05 mm). 74: Terminalia, ventral view (0.1 mm). 75: Gonostylus, apicoventral and mesal lobes of gonocoxite, mesal view, mesal lobe broken and separate (0.1 mm). 76: Flagellomeres 1 – 5, lateral view (0.1 mm). 77: Aedeagus / paramere complex, ventral view, presumed aedeagus stippled (0.05 mm). 78: Gonostylus, apicoventral and mesal lobes of gonocoxite, mesal view (0.1 mm). 79: Aedeagus / paramere complex, ventral view, presumed aedeagus stippled (0.05 mm). a = apicodorsal lobe of gonocoxites, b = mesal lobe of gonocoxites, c = apicoventral lobe of gonocoxites, d = gonostylus, e = presumed tergite 9, f = presumed sternite 9, g = tegmen. Length of scale bar in parentheses.