Aprionus surtri,

Jaschhof, Mathias & Jaschhof, Catrin, 2017, New species of Aprionus (Diptera, Cecidomyiidae, Micromyinae) from Sweden and other parts of the Palearctic region, European Journal of Taxonomy 378, pp. 1-38: 26-28

publication ID

https://doi.org/10.5852/ejt.2017.378

publication LSID

lsid:zoobank.org:pub:81628632-5B35-49E5-AB7A-B8B50B2FB06B

persistent identifier

http://treatment.plazi.org/id/03CF87D4-0977-044F-FD1C-7EBEFC7BFE37

treatment provided by

Plazi

scientific name

Aprionus surtri
status

sp. nov.

Aprionus surtri  sp. nov.

urn:lsid:zoobank.org:act:55935E69-BFB9-422F-A794-4A7BD72C84FD

Fig. 15View Fig

Diagnosis

Aprionus surtri  sp. nov. is another distinctive member of the smirnovi  group, distinguished by male genitalic characters, as follows ( Fig. 15AView Fig). The gonocoxites, including their dorsal apodemes, are unusually short; the gonostyli are big (↓) in relation to the gonocoxites; and the tegmen is short and wide—altogether this results in a massive appearance of the terminalia. The dorsal wall of the tegmen is sclerotized and has a V-shaped slit along the longitudinal axis (↓). This structure should not be confused with the ventral plate, which is situated more dorsally and mainly apparent by two small, dot-like sclerotizations at the anterior corners.

Etymology

Surtr, whose feature is a sword made entirely of fire, is the leader of the fire giants.

Material examined

Holotype

SWEDEN: ♂, Öland , Borgholm, Skepparsäng Nature Reserve, 57.31° N, 17.04° E, mixed coniferous/ broadleaf forest, Malaise trap, M. and C. Jaschhof leg., 11 May–10 Jun. 2015 ( NHRS, no. CEC191).

GoogleMaps 

Paratype

SWEDEN: ♂, Öland, Mörbylånga, Färjestaden, 56.63° N, 16.47° E, backyard with shrub and young birch trees, MT, MCJ leg., 19 Aug.–6 Oct. 2015 ( DEI, no. CEC 303).

Other characters

Body size 1.9 mm.

HEAD. Postfrons setose. Eye bridge 3–4 ommatidia long dorsally. A rather sparse row of 8–9 postocular bristles. Flagellomeres with up to 3 complete crenulate whorls. Neck and node of fourth flagellomere almost same length, both hair-shaped and branched translucent sensilla (↓, Fig. 15BView Fig). Palpus long, 3-segmented, apical segment very long, clearly the result of two segments merged into one.

WING. ApicR 1 3.5 times as long as Rs.

LEGS. Claws subrectangular, 2–3 teeth. Empodia rudimentary.

TERMINALIA ( Fig. 15AView Fig). Ninth tergite subrectangular, anterior margin only laterally sclerotized. Gonocoxites rounded ventroposteriorly; dorsal apodemes and bridge short, not extending beyond anterior gonocoxal edge. Gonostylus elongate, slightly bent, evenly tapered towards apex; apical tooth small, 2–3 inconspicuous bristles subapically. Tegmen twice as long as wide, parallel-sided on basal

half, then tapered to tip; with fold-like structuring subapically, possibly indicating rudimentary fingers. Subanal plate inconspicuous, membranous rather than sclerotized.

Distribution and phenology

Sweden (Öland). The two specimens known of this species were collected in late spring and early autumn in habitats as different as dense forest and open grove.

MT

Mus. Tinro, Vladyvostok

MCJ

Missouri Southern State College

DEI

Senckenberg Deutsches Entomologisches Institut

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Cecidomyiidae

Genus

Aprionus