Monepidosis scepteroides, Jaschhof, 2016

Jaschhof, Mathias, 2016, New species of Monepidosis Mamaev, 1966 and Antipodosis gen. nov., a closely related genus from New Zealand (Diptera, Cecidomyiidae), European Journal of Taxonomy 192, pp. 1-24 : 19-21

Monepidosis scepteroides sp. nov.

urn:lsid:zoobank.org:act:60EE7BD9-7842-4026-BA78-050F926D770B

Figs 1D , 11 A–C

Diagnosis

Monepidosis scepteroides sp. nov. is the only Monepidosis with only one pair of parameral tusks (↓, Fig. 11C ). Of the gonocoxites ( Fig. 11A ), the wide, shallow ventral emargination has a glabrous rim basally (↓); the central processes, which are situated posterior to that rim, form a widely open, unevenly sclerotized V-shape (↓); and gonocoxal processes are missing.

Differential diagnosis

Monepidosis scepteroides sp. nov. is similar to M. scepteri Spungis, 2006 , especially with respect to the central processes. In M. scepteroides sp. nov., as distinct from M. scepteri , the gonocoxites are wider than long instead of the reverse, and the plate-like gonostylar spine is a single piece rather than consisting of two clearly separated portions ( Spungis 2006: fig. 4B). Like all Monepidosis but M. scepteroides sp. nov., M. scepteri has two pairs of parameral tusks ( Spungis 2006: fig. 4A).

Etymology

The name scepteroides , an adjective, refers to the similarity of this species to M. scepteri .

Type material

Holotype

SWEDEN: Ƌ, Mörbylånga , Gamla Skogsby (Kalkstad), 56.61° N, 16.50° E, mixed deciduous forest, 8 Aug. 2014, aspirator, M. Jaschhof ( NHRS CEC94 ).

Other characters

BODY LENGTH. 1.7 mm.

HEAD. Eye bridge 3–4 ommatidia long dorsally. Apices of antennae missing, circumfila on flagellomeres 1–10 at least. Neck of fourth flagellomere 1.9 times longer than node ( Fig. 1D ). Palpus 1.3 times longer than height of head.

WING. Length/width 3.1.

LEGS. Empodia rudimentary.

TERMINALIA ( Fig. 11 A–C). Gonostylus ( Fig. 11B ) strongly flattened, with long, deeply incised plate-like spine apically and apicoventrally. Apex of ejaculatory apodeme pointed, flattened, bent ventrally; base weakly sclerotized, widened ( Fig. 11C ). Parameral tusks strongly curved, directed dorsally (↓, Fig. 11C ).

Distribution and phenology

Sweden (Öland). Known from a single specimen collected in deciduous forest in August.

Figures

Fig. 1. Male morphology of Antipodosis gen. nov. and Monepidosis Mamaev, 1966. A. Wing of A. granvillensis gen. et sp. nov., holotype, setae omitted. B. Wing of M. shikokuensis sp. nov., holotype, setae omitted. C. Fourth flagellomere of A. rakiura gen. et sp. nov., holotype, lateral. D. Fourth flagellomere of M. scepteroides sp. nov., holotype, lateral. Scale lines: A–B = 0.50 mm, C–D = 0.05 mm.

Fig. 11. Monepidosis scepteroides sp. nov., Ƌ, holotype. A. Genitalia, ventral. B. Gonostylus, ventral (paratype). C. Parameres and ejaculatory apodeme, ventral. Scale lines: 0.05 mm.