Manota clava, 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 : 83

Manota clava sp. n. Figs 1 A–D, 6

Types.

Holotype. Male, COLOMBIA, Risaralda, SFF Otún Quimbaya Cuchilla Camino, 04°43'N, 75°35'W, 2050 m, Malaise trap, 03-19.i.2003, G. López Leg. M. 3702 (on slide, IAvH).

Diagnosis.

Laterotergite setose; anterior basalare non-setose; sternite 9 posteriorly broadly concave and laterally free from gonocoxa; parastylar lobe large and apically broadened; gonocoxa without a remarkable posterolateral lobe; gonostylus subrectangular, posterolaterally drawn out; two juxtagonostylar megasetae, ventral one flame-shaped and pointed, dorsal one bilobed.

Description.

Male. Colour. Head brown, face somewhat paler. Antenna light brown, including scape and pedicel. Clypeus and mouthparts pale yellow. Thorax light brown. Legs yellowish. Wing with light brownish tinge because of microtrichia; halter brownish with blackish knob. Abdomen with tergites dark brown to blackish, sternites light brown to yellowish. All vestiture pale, yellowish or brownish, thicker setae and trichia seeming darker than finer ones. Head. Antennal flagellomere 4 ca. 2 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. 1.1 times longer than palpomere 4. Number of strong postocular setae, 9. Thorax. Anepisternum with 52 setae; anterior basalare and preepisternum 2 non-setose; laterotergite with 13 setae; metepisternum with 9 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, 2.4 mm. Hypopygium (Fig. 1 A–D). Sternite 9 ca. 2/3 as long as gonocoxa with delimited lateral margins, broadly concave posteriorly, anteriorly incised; posterior half covered with setae which are slightly stronger than adjacent ventral setae of gonocoxa, anterior half non-setose. Ventral medial margin of gonocoxa simple. Parastylar lobe large, apically broadened, club-like, with 3-5 fine posteriorly directed setae medially. No paraapodemal lobe observable. Posterolateral part of gonocoxa not drawn into a remarkable lobe but bearing many long curved setae. Dorsal medial margin of gonocoxa simple, medially bulging, posteromedially almost right-angled. Ventrally from posteromedial corner, there are two plate-like lobes on different levels: more dorsal lobe bears 6 strong apically curved setae laterally, more ventral lobe bears aggregation of fine setae at anteromedial corner and one strong seta at posteromedial corner. Two juxtagonostylar megasetae present, the more anterior and ventral one flame-shaped and pointed, with obscurely discernible seta-like branch marked by broken line in Fig. 1D, the more posterior and dorsal one bilobed, both arising from a large common basal body which is as long as megasetae. Gonostylus sub-rectangular, posterolateral corner drawn out into a rounded lobe, posterior and medial margin with short setae. Aedeagus broadly subtriangular, with lateral shoulders, the apex curved ventrally. Aedeagal apodemes directed laterad. Hypoproct extending posteriorly to apex of gonostyli, each side with ca. 25 normal setae on ventral surface. Cerci medially separated.

Female. Unknown.

Discussion.

The setose laterotergite, non-setose anterior basalare, sternite 9 laterally free from gonocoxa, and gonocoxa without a remarkable posterolateral lobe group together Manota clava sp. n. with M. caribica Jaschhof & Hippa, 2005 (Costa Rica) and M. micula Hippa & Kurina, 2013 (Ecuador, Peru). All three species have also the sternite 9 posteriorly broadly concave and a similar aggregation of setae on plate-like lobe ventrally from dorsal medial margin of gonocoxa. Parastylar lobe is distinct between all three species: large, apically broadened with 3-5 posterior setae in M. clava , large, subtriangular with three posterior setae in M. micula and small, stout with 2-3 setae posteroapically in M. caribica . The gonostylus of M. clava is subrectangular and posterolaterally drawn out while it is oval or almost circular in case of the two other species. Manota clava and M. micula have the juxtagonostylar megasetae complex with transverse and leaf-like expansions, while they are simple and pointed in M. caribica .

Etymology.

The specific epithet is Latin, clava [club or mace], referring to the prominent club-shaped parastylar lobe, and is a noun used as in apposition.