Asynapta baltica Spungis, 1988

Jaschhof, Mathias & Jaschhof, Catrin, 2019, New and rarely found species of asynaptine Porricondylinae (Diptera: Cecidomyiidae) in northern Europe, Zootaxa 4604 (2), pp. 281-300 : 293-294

publication ID

https://doi.org/ 10.11646/zootaxa.4604.2.3

publication LSID

lsid:zoobank.org:pub:0BA07364-39ED-4349-98C5-27431A90CEAA

persistent identifier

https://treatment.plazi.org/id/4C408780-8A4E-FFE6-23A4-6973FCA56AD1

treatment provided by

Plazi

scientific name

Asynapta baltica Spungis
status

 

Asynapta baltica Spungis View in CoL

Figs 18–19 View FIGURES 18–24

As mentioned above under A. rickebasta , our previous report of A. baltica occurring in Sweden (Jaschhof & Jas- chhof 2013: 314f.) was based on misidentification and is herewith withdrawn. A definite proof of the Swedish distribution of this species is presented here by all of three males from Uppland ( Fig. 18 View FIGURES 18–24 ) and Dalarna, whose specific identity we verified by comparison with specimens from Latvia and Ukraine authoritatively determined by Voldemars Spungis. In terms of male morphology A. baltica resembles two new Asynapta described above, A. rickebasta and A. taigensis , from which it differs as follows.

Diagnosis. The gonostylus, which is markedly bent and strongly tapered towards the apex, has an unusually small claw apically ( Fig. 18 View FIGURES 18–24 , ↓ 1). The gonocoxal synsclerite is clearly broader than long, and its common ventroanterior edge is straight rather than convex ( Fig. 18 View FIGURES 18–24 ). The ventral parameres are reduced to form a small, rectangular structure, which projects ventrally through the gonocoxal emargination ( Fig. 18 View FIGURES 18–24 , ↓ 2); from a different angle the rectangle’s side edges appear thickened and strongly sclerotized ( Fig. 19 View FIGURES 18–24 ).

Material studied. Sweden: 1 male, Uppland, Håbo, Biskops Arnö , swampy grove, 7 September 2003 – 1 June 2004, MT, SMTP (trap 8, collecting event 394) (spn. no. CEC 1631 in NHRS) ; 2 males, Dalarna, Säter, Säterdalen, Näsåkerspussen , alder forest, 18–31 May 2005, MT, SMTP (trap 10, collecting event 1621) (spn. no. CEC 1755 in NHRS, spn. no. CEC 1756 in SDEI) . Latvia: 2 males, Saulkalne , 28 May 1981 and 20 May 1985, V. Spungis (in IBUL) . Ukraine: 1 male, Kievskaja oblast, Malaja Olshanka , 19 May 1987, Z.L. Berest (in IBUL) .

Geographic distribution. The distribution as presently known of A. baltica comprises Sweden (Uppland, Dalarna), Latvia, and Ukraine ( Spungis 1988; this paper).

MT

Mus. Tinro, Vladyvostok

NHRS

Swedish Museum of Natural History, Entomology Collections

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Cecidomyiidae

SubFamily

Porricondylinae

Tribe

Asynaptini

Genus

Asynapta

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