Manota subaristata, Kurina, Olavi, Hippa, Heikki & Amorim, Dalton de Souza, 2017

Kurina, Olavi, Hippa, Heikki & Amorim, Dalton de Souza, 2017, New species and new records of Manota Williston from Colombia, Brazilian Amazonia, and Costa Rica (Diptera, Mycetophilidae), ZooKeys 668, pp. 83-105 : 90-91

Manota subaristata sp. n. Figs 5 A–C, 6

Types.

Holotype. Male, COLOMBIA, Valle de Cauca, PNN Farallones de Cali Cgto., La Meseta, 03°34'N, 76°40'W, 2200 m, Malaise trap, 27. viii– 10.ix.2003, S. Sania & M. Losso col., M 4570 (on slide, IAvH). Paratypes. 2 males, same as holotype (on slides, MZUSP); 1 male, same as holotype except 24.xii.2003-27.i.2004, M 4564 (on slide, IAvH); 1 male, same as holotype except 27. i– 10.ii.2004, M 4563 (on slide, IAvH); 1 male, same as holotype except 10-25.ii.2004, M 4555 (on slide, IZBE); 1 male, COLOMBIA, Huilla, PNN Cueva de los Guácharos, Alto el Mirador, 01°38'N, 76°06'W, 1980 m, Malaise trap, 6-21.iv.2002, J. Fonseca col., M 3127 (on slide, IAvH); 1 male, COLOMBIA, Cauca, PNN Gorgona, El Saman, 02°58'N, 78°11'W, 5 m, Malaise trap, 28. ix– 22.x.2001, H. Torres col., M 2457 (on slide, IZBE); 1 male, same as previous except 06-23.iii.2002, R. Duque col., M 3088 (on slide, IAvH); 1 male, COLOMBIA, Risaralda, SFF Otún Quimbaya, El Molinillo, 04°43'N, 75°34'W, 2200 m, Malaise trap, 17. ii– 4.iii.2003, G. López col., M 3696 (on slide, IAvH).

Diagnosis.

Laterotergite non-setose; anterior basalare non-setose; sternite 9 laterally fused to gonocoxa except for posterior fifth; parastylar lobe indistinct; posterolateral part of gonocoxa drawn into a lobe; dorsomedial margin of gonocoxa with a plate-like lobe bearing one anterior and two posterior simple megasetae; gonostylus in dorsal and ventral view narrow, crescent-shaped; two juxtagonostylar megasetae, more dorsal one subbasally geniculate and apically bifurcate, more ventral one simple, slightly flattened whip-like; posteriorly from juxtagonostylar megasetae a short finger-like lobe with 3-4 strong setae.

Description.

Male. Colour. Head brown, face somewhat paler. Antenna light brown, including scape and pedicel. Clypeus and mouthparts yellowish. Thorax brown. Legs yellowish. Wing with brownish tinge because of microtrichia; halter yellow with blackish knob. Abdomen with tergites brown to dark brown, sternites somewhat lighter. All vestiture pale, yellowish or brownish, thicker setae and trichia seeming darker than finer ones. Head. Antennal flagellomere 4 ca. 1.6-1.7 times as long as wide. Palpomere 3 of maxillary palpus with apicomesial thumb-like extension, with 3 apically curved sensilla; palpomere 4 with parasegment; palpomere 5 ca. 1.4-1.5 times longer than palpomere 4. Number of strong postocular setae 9-11. Thorax. Anepisternum with 42-47 setae; anterior basalare, preepisternum 2 and laterotergite non-setose; metepisternum with 8-14 setae. Legs. Mid and hind tibial organs absent. Wing. R1 meeting C within basal half of costal margin; sclerotized part of M2 extending to level of tip of R1; wing length, 1.9-2.3 mm. Hypopygium (Fig. 5 A–C). Sternite 9 laterally fused to gonocoxa except for posterior 1/5, extending to middle of gonocoxa, posterior margin slightly concave, anterior margin deeply incised. Posterior 1/3 of sternite 9 setose, otherwise non-setose, setae similar to adjacent ventral setae of gonocoxa. Medioventral margin of gonocoxa roundly angled. Parastylar not identifiable, apparently membranous and covered by gonocoxa, possibly with one seta visible at the gonocoxal margin in Fig. 5A. No paraapodemal lobe observable. Posterolateral part of gonocoxa drawn into a lobe ca. 1/3 length of gonocoxa. Mediodorsal margin of gonocoxa simple. A plate-like lobe with one anterior and two posterior simple megasetae medioventrally from dorsal medial margin and anteriorly from juxtagonostylar setae. Two juxtagonostylar megasetae present: more dorsal megaseta subbasally geniculate, apical part bifurcate, one of the branches whip-like, the other apically flattened and dilated; the more ventral megaseta simple, slightly flattened whip-like. Posteriorly from juxtagonostylar megasetae a short finger-like lobe with 3-4 strong setae. Gonostylus in dorsal and ventral view narrow, crescent-shaped (in some slides apically pointed), with 3-4 setae dorsally near lateral margin and 1 ventral seta near the medial margin. Aedeagus elongate subtriangular, without lateral shoulders, apex curved ventrally. Hypoproct extending posteriorly to level of base of gonostyli or slightly over, with ca. 25 ventral setae on each side. Cerci medially separate, apically slightly widened.

Female. Unknown.

Discussion.

Manota subaristata sp. n. is similar to M. aristata Hippa & Kurina, 2013 in having the dorsal juxtagonostylar megaseta with a long whip-like branch. Manota subaristata , however, has the megaseta subbasally geniculate, arising from a separate basal body, while it is basally straight and arising from apical half of the common basal body with the ventral juxtagonostylar seta in M. aristata . Manota subaristata has 3-4 strong setae on a finger-like setose lobe posteriorly from the juxtagonostylar megaseta, which are absent in M. aristata . By the latter character, the species resembles M. acutisty lus Jaschhof & Hippa, 2005, but the megasetae at the dorsal medial margin of gonocoxa in M. subaristata are longer and there are two of them in the posterior group, not three as in M. acutistylus (see also the discussion for M. aristata in Hippa and Kurina 2013: 109). In M. subaristata , the juxtagonostylar megasetae are subequal in length, while M. acutistylus has the dorsal juxtagonostylar megaseta remarkably shorter, ca. half of the length of ventral one. All these three species have the gonostylus apically tapering in dorsal and ventral view, and sternite 9 largely fused to the gonocoxa, and may compose together a small clade within the Neotropical diversity of the genus.

Etymology.

The specific epithet is Latin, formed from the specific epithet of M. aristata by the prefix sub- [somewhat], as a reference to the similarity of the two species (adjective).