Kibaleana apicospinosa, Kurina, Olavi, Mantic, Michal & Sevcik, Jan, 2017

Kurina, Olavi, Mantic, Michal & Sevcik, Jan, 2017, A remarkable new genus of Keroplatidae (Insecta, Diptera) from the Afrotropical region, with DNA sequence data, African Invertebrates 58 (1), pp. 93-105 : 93-95

Kibaleana apicospinosa sp. n. Figs 3, 4, 5, 6, 7

Type material.

Holotype. Male, UGANDA, Kibale NP, Kanyawara Biological Station, 00°33,901667'N 32°21,468333'E, 1504 m a.s.l., Malaise trap (No 1), 11-18.iv.2010, S. Katusabe et al. leg. (in alcohol, IZBE). Paratypes. Male, same as holotype (in alcohol, IZBE), 7♂♂, same as holotype except 28. iii– 4.iv.2010 (3♂♂ on slides, IZBE; 2♂♂ in alcohol, IZBE; 2♂♂ used for DNA analysis and subsequently stored in a pinned microvial with glycerol, JSL-UOC).

Male.

Body length 3.3-3.5 mm.

Head

(Figs 3D, 4). Round, light brown. Three ocelli in an equilateral triangular arrangement, laterals about twice as large as medial. Ocellar triangle prominent, and darker than vertex and frons, with a medial furrow bifurcating towards medial ocellus. Compound eye almost round with shallow invagination laterally from antenna; about 1.3 times as high as broad in lateral view; ommatidia surrounded by 5-7 setulae. Vertex and postgena with short dark setae, frons non-setose. Face non-setose, rectangular, with centro-vertical furrow and darker anterior margin. Clypeus obovate, non-setose, with lateral portions darker. Antenna entirely brownish yellow, lighter than vertex and scutum. Scape cylindrical, 0.67 times as long as wide. Pedicel almost spherical, about 0.75 times as long as wide. Flagellum apically slightly tapering, with 14 segments, first segment elongated, 2.7 times as long as wide; fourth segment 1.57 times as long as wide; preapical segment 2.4 times as long as wide; apical segment conical, 3 times as long as wide basally. Scape and pedicel, both with incomplete preapical circle of short dark setae. Flagellum with pubescence about 1/3 of segment’s width. Mouthparts yellowish. Palpus with 5 segments: first two segments extremely short and discernible only from posterior view; third segment cylindrical almost 2 times as long as wide, with sparse dark setae; fourth segment apically widening, about as long as wide apically, with sparse dark setae; fifth segment tapering, about 3 times as long as wide basally, with 3-4 short apical and 5-6 subapical setae; length ratio of palpal segments 3:4=1.25 and 4:5=0.67.

Thorax

(Figs 3B, 5B). Light brown with areas along setae lighter. Scutum with distinct dorsocentral, acrostichal and lateral setae. Acrostichal setae present as a simple row; two rows of dorsocentrals, both consist of two close lines of subequal setae; lateral setae numerous, not divided to pre- and postalars. Scutellum with 8 short setae along its margin. Proepisternum with one seta, mediotergite with ca 20 setae on posterior part. Remaining thoracic parts non-setose.

Wing

(Fig. 5A). Length 2.6 mm, width 0.93 mm, ratio of length to width 2.8. Hyaline, without any darker markings. Membrane covered with light brown microtrichia, without macrotrichia. Veins light brown, costal and radial veins thicker and slightly darker, R1 and apical 2/3 of R5 with macrotrichia dorsally. Costa produced beyond R5 to about 2/3 of the distance of the tips of R5 and M1. Sc ending in C at level of Rs, Sc2 absent. Rs oblique, as long as r-m. tb pale but discernible, m-cu about three times as long as tb. R5 slightly sinusoid. Cu1 not reaching wing margin. Cu2 fold like, in basal 2/3 distinct, in apical 1/3 pale, apically approaching Cu1 and not reaching wing margin. A1 short, indistinct. Haltere pale, stem with anterodorsal row of dark setae, knob with few sparse weak setae.

Legs

(Figs 3A, 6 A–D). Yellowish to light brown, coxae darker but lighter than thorax. Tibiae and tarsi seem darker because of dense setae. Fore coxa with dark ante rior setae on its entire length and with 2-3 apico-medial setae. Mid coxa with anterior setae on apical half. Hind coxa with row of posterior setae on apical half. Femora entirely covered with short dark setae which are more scattered ventrally. Tibiae apically slightly widening, with setae not arranged to distinct rows. All tibiae with one apical setose spur. Spurs 1.4, 2.6 and 3.3 times as long as apical width of fore-, mid- and hind tibia, respectively. Fore tibia with a distinct apical comb of setae. Mid and hind tibiae without distinct apical combs of setae; with 3-4 apical setae somewhat deviating from other setosity (Fig. 6). Tarsal claws small, with basoventral comb of teeth, the most apical one about half as long as the claw itself. Ratio of femur to tibia for fore-, mid- and hind legs: 0.85; 0.72; 0.96. Ratio of tibia to basitarsus for fore-, mid- and hind legs: 1.04; 1.33; 1.4.

Abdomen.

Yellowish, apically somewhat darker.

Terminalia

(Fig. 7). Yellowish brown. Tergite IX quadrangular; about as long as wide; with wide anterior excavation; posteriorly with shallow concavity; posterior half with setae similar to these on gonocoxa ventrally. Cercus oval, about 0.6 times as long as tergite IX. Hypoproct tapering posteriad, posteriorly blunt, with two stronger setae at posterolateral corner of both sides. Gonocoxa ventrally with membranous medial part that is posteriorly drawn into wide, apically slightly concave process. Gonocoxa dorsally simple with posterior setae more prominent and dense. Height of aedeagal complex less than that of gonocoxa. Gonocoxal and parameral apodemes dark brown, well discernible from dorsal view. Ejaculatory apodeme simple. Aedeagus membranous, apically widening. Gonostylus simple, about 5 times as long as wide; apically more sclerotized and pointed, with preapical additional slerotized spine on ventral side; basal third with dorsomedial flange. Setae similar to these on gonocoxite except two more prominent ones on medial side; pointed apical part of gonostylus non-setose. Gonostylus with small hook-shaped process basally.

Female.

Unknown.

Etymology.

The specific name is Latin, composed of the prefix apico- [apical] and word spinosa [spiny or thorny], referring to the preapical spine on the gonostylus ventrally.

DNA sequences.

Partial DNA sequences of four mitochondrial markers (COI, CytB, 12S and 16S) are deposited in the GenBank database (the accession numbers are as follows: KY963422, KY963423, KY963420, and KY963421).