Aprionus munini, Jaschhof & Jaschhof, 2017

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 : 15-17

Aprionus munini sp. nov.

urn:lsid:zoobank.org:act:BBBCB884-E291-4AC9-A9F2-54296E78781E

Fig. 8

Diagnosis

The gonostylus is broad and slightly convex basally, then evenly tapered towards the narrow apex (↓, Fig. 8A ), and provided with a moderately large tooth apically. The tegmen, which is 2.8–3.0 times as long as wide, is broadest at or slightly below the midlength; the 2–3 large finger pairs, which are situated far posteriorly, intersect only slightly (↓) or not at all; the tegminal apex is blunt-ended (↓). There may be an exceptional 5 fingers on the one side and 3 fingers on the other side of the tegmen. The sclerotized areas at the anterior corners of the subanal plate are large but often rather weak. The gonocoxal apodemes are so short that the dorsal bridge, which often is slightly rectangular, extends to about the same level like the ventroanterior gonocoxal edge. The postfrons is unsetose; antennal translucent sensilla are almost always single-pointed, exceptionally two-pointed; the neck of the fourth flagellomere is longer than the node ( Fig. 8B ); the palpus is 3-segmented; and postocular bristles number 5–6(–7).

Etymology

Munin is the other of the two ravens accompanying Odin.

Material examined

Holotype

SWEDEN: ♂, Öland, Mörbylånga, Ullevi, 56.37° N, 16.36° E, herb-rich meadow at forest edge, Malaise trap, M. and C. Jaschhof leg., 14 Jun.–15 Jul. 2015 ( NHRS, no. CEC332 ).

Paratypes

SWEDEN: 1 ♂, Öland, Mörbylånga, Gamla Skogsby, 56.37° N, 16.30° E, scrubby meadow at forest edge (‘diversity meadow’), MT, MCJ leg., 30 Apr.–8 Jun. 2015 ( NHRS, no. CEC 333); 1 ♂, same data, but 7–29 Jul. 2015 ( NHRS, no. CEC 334); 1 ♂, Mörbylånga, Västerstad elm-forest NR, 56.42° N, 16.42° E, mature elm forest, MT, MCJ leg. and SMTP (trap 3002, collecting event 3053), 10 Jun.– 9 Jul. 2014 ( NHRS, no. CEC 335).

Other material studied

SWEDEN: 3 ♂♂, Skåne, Simrishamn, Stenshuvud NP, 55.65° N, 14.26° E, hornbeam forest, MT, MCJ leg., 16 Jun.–1 Sep. 2009 ( NHRS, nos CEC 336– CEC 338); 1 ♂, Uppland, Håbo, Biskops Arnö, 59.40° N, 17.30° E, elm groove, MT, SMTP (trap 8, collecting event 1558), 28 Jun.–13 Jul. 2004 ( NHRS no. CEC 339).

GERMANY: 2 ♂♂, Brandenburg, Barnim, Klein Ziethen, Schorfheide-Chorin Biosphere Reserve, Serwester See, Kernberge, meadow near pine forest, MT, 15 Jun. and 8 Jul. 2004 ( DEI, nos A7669– A7670); 1 ♂, Bavaria, Oberpfalz, Neumarkt, Main-Donau-Kanal, Warncke Project, 15–30 May 1988 ( DEI, no. A7671); 1 ♂, Baden-Württemberg, Malsch, Kieswerk Glaser, edge of pine forest, MT, D. Doczkal leg., 21 Apr.–8 May 2010 ( DEI, no. A7672); 1 ♂, Baden-Württemberg, Sandweier near Baden-Baden, meadow at edge of oak forest, MT, D. Doczkal leg., 1 Sep.–1 Oct. 2009 ( DEI, no. A7673); 1 ♂, same data, but xeric grassland at edge of birch forest ( DEI, no. A7674); 1 ♂, same data, but 14 Aug.–1 Sep. 2009 ( DEI, no. A7675).

HUNGARY: 1 ♂, Komitate Borsod-Abaúj-Zemplén, Aggteleki Nemzeti Park, Aggteleki, 290 m a.s.l., yellow pan trap, B. Rulik leg., 23–26 May 1998 ( DEI, no. A7169).

Differential diagnosis

Aprionus munini sp. nov. is distinguished from A. styloideus , a very similar species redescribed below, by the broader gonostyli; the longer, blunt-ended tegmen; the unsetose postfrons; and palpi with always 3 segments.

Distribution and phenology

Sweden (Skåne, Öland, Uppland), Germany (Brandenburg, Bayern, Baden-Württemberg), Hungary. Adults were collected in May to October mainly in meadows and open woodland. This species appears to prefer xerothermic habitats.

Figures

Fig. 8. Aprionus munini sp. nov., ♂. A. Genitalia, ventral, holotype. B. Fourth flagellomere, lateral, paratype. Scale lines: 0.05 mm. Arrows indicate diagnostic characters.