Coccopsilis scalpta, Jaschhof & Jaschhof, 2020

Jaschhof, Mathias & Jaschhof, Catrin, 2020, The Porricondylini (Diptera: Cecidomyiidae: Porricondylinae) of Sweden revisited: descriptions of nineteen new species of ten genera, including a new genus, Zootaxa 4728 (2), pp. 151-182: 156-157

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Coccopsilis scalpta

sp. nov.

Coccopsilis scalpta   sp. nov.

Figs 8–9 View FIGURES 6–9

Diagnosis. This is the only species of Coccopsilis   with toothed tarsal claws and empodia that are not entirely vestigial.As for the genitalia ( Fig. 8 View FIGURES 6–9 ), the tegminal apex is deeply incised (↓ 3) (our material is not sufficient to decide how deep the incision is, i.e. whether the parameres possibly are completely separate); the gonostylus, which is clearly tapered from the midlength towards the apex, bears a pectinate claw which is smaller compared with the claws in most other Coccopsilis   (↓ 4); and the gonocoxal processes are strong with rounded apices (↓ 5). The Far East Russian C. formosa   resembles C. scalpta   in having a rather slender, pointed gonostylus with small apical claw, and strong, apically rounded gonocoxal processes. Distinctions of C. formosa   include the gonostylus being evenly tapered from the base to the apex, and the tegmen being entire and rounded apically. See below the remarks on the holotype of that species. Females and preimaginal stages of C. scalpta   are unknown.

Other male characters. Body size 1.3 mm. Head. Eye bridge 0–1 ommatidia long at vertex. Antenna as long as both body and wing. 12 flagellomeres; apical flagellomere long, composed of two bodies; circumfila on all flagellomeres. Neck of fourth flagellomere 1.7–1.8 times as long as node ( Fig. 9 View FIGURES 6–9 ). Palpus shorter than head height, 4 setose, subcylindrical segments, apical segment longest of all. Thorax. Pronotum with 0–1 seta; anepisternum with 0–1 seta; anepimeron with 2–4 setae. Wing. Length / width ratio 3.0–3.4. Legs. Foreleg: femur slightly longer than tibia, tibia 0.8 times as long as T 2. Claws with 1 large tooth basally. Empodia 1/3 claw length. Genitalia ( Fig. 8 View FIGURES 6–9 ). Gonocoxal synsclerite with ventromedial setae (usually in Coccopsilis   the ventromedial portion of the gonocoxae is non-setose); processes long, protruding beyond the parameral apices; dorsoposterior portions short, broad, angular. Gonostylus 2.5 times as long as broad, broadest at about midlength; medial surface flattened, sparsely setose. Aedeagal apodeme thin, slightly longer than parameres, moderately sclerotized with membranous apex. Tegminal apex conspicuously angular.

Etymology. The Latin adjective scalpta   means incised, with reference to the tegminal outline found in this species.

Type material. Holotype. Male , Sweden, Småland , Högsby, Danmarksvägen Nature Reserve, mixed broadleaf forest predominated by beech, 17–18 July 2014, sweepnet, M. & C. Jaschhof (spn. CEC 2517 in NHRS)   . Paratypes. 2 males, same data as the holotype (spn. CEC 2518 in NHRS, spn. CEC 2519 in SDEI)   .

Remarks on C. formosa   . The holotype, the only specimen known of C. formosa   , has never been appropriately illustrated in literature; there exist only sketches of the aedeagal apodeme and the tegmen ( Mamaev 2001: fig. 4), both not particularly helpful for identification. The present senior author examined the holotype in October 2012, which spawned the information used here to compare C. formosa   with C. scalpta   .


Swedish Museum of Natural History, Entomology Collections