Glemparon rotoiti, Jaschhof & Jaschhof, 2018

Jaschhof, Mathias & Jaschhof, Catrin, 2018, Descriptions of eighteen new species of Glemparon, a previously monotypic genus of Porricondylinae (Diptera, Cecidomyiidae), European Journal of Taxonomy 450, pp. 1-38 : 25-27

Glemparon rotoiti sp. nov.

urn:lsid:zoobank.org:act:

Fig. 14 A–C

Diagnosis

The elongate gonostylus of simple shape is not compressed at the apex, which is rounded and covered with dense microtrichia (↓ 1, Fig. 14A ). The gonocoxites are peculiar for both the membranous portions ventroposteriorly, whose outline resembles a stair (↓ 2, Fig. 14A ), and the ventral emargination, which is large, somewhat rectangular and vaguely delineated at the base (↓ 3, Fig. 14A ). The ninth tergite has an almost truncate, strongly sclerotized posterior edge (↓ 4, Fig. 14B ), which is a unique feature in Glemparon , and on the inside numerous small tubercles in indistinct rows. The tegmen is provided with a pair of sclerotized, serrate points (↓ 5, Fig. 14C ) and, at the points’ bases, sclerotized processes each consisting of two curved teeth (↓ 6, Fig. 14C ).

Etymology

The specific epithet refers to Lake Rotoiti in the north of New Zealand’s South Island, where the holotype was collected.

Material examined

Holotype

NEW ZEALAND: ♂, South Island, Tasman, Nelson Lakes National Park, Lake Rotoiti , 640 m a.s.l., 20 Dec. 2000, southern beech forest, Malaise trap, Department of Conservation St. Arnaud leg. ( NZAC, no. CEC1425).

Other characters

BODY SIZE. 1.6 mm.

HEAD. Eye bridge 1–2 ommatidia long dorsally. Flagellomeres 12; apical flagellomere merged of two bodies; neck of fourth flagellomere 0.7 times the node. Palpus clearly shorter than head height, 4 setaebearing segments, apical segment longest of all.

THORAX. Pronotal setae absent.

WING. Length /width ratio 2.6. Rs short, one fifth of apicR 1.

LEGS. Basitarsal spines present.

TERMINALIA. Ventroposterior lobes of gonocoxites indistinct; posteromedial protuberance simple, no obvious structuring ( Fig. 14A ). Gonostylus almost 3.0 times as long as broad ( Fig. 14A ). Apex of ejaculatory apodeme small, membranous, arrow-shaped ( Fig. 14A, C ).

Distribution and phenology

The holotype of G. rotoiti sp. nov. was collected in summer, in an extensive native forest in the north of New Zealand’s South Island.

Figures

Fig. 14. Glemparon rotoiti sp. nov., holotype, ♂ (NZAC, no. CEC1425). A. Genitalia, ventral. B. Apex of ninth tergite, ventral. C. Apex of ejaculatory apodeme and tegmen, ventral. Scale bars: A, C = 0.05 mm; B = 0.025 mm. Numbered arrows indicate diagnostic characters (see Diagnosis).