Anocha vernalis, Jaschhof, Mathias, 2017

Jaschhof, Mathias, 2017, Catochini, Strobliellini and Acoenoniini revisited: a taxonomic review of the small tribes of the Micromyinae (Diptera: Cecidomyiidae), Zootaxa 4250 (3), pp. 275-295 : 283-284

publication ID

https://doi.org/ 10.11646/zootaxa.4250.3.5

publication LSID

lsid:zoobank.org:pub:FCB5489C-4358-45D6-9A11-D7DBC8260569

DOI

https://doi.org/10.5281/zenodo.6010532

persistent identifier

https://treatment.plazi.org/id/AD14BB2D-9D11-1C40-32DD-1D7AFDD2FE3A

treatment provided by

Plazi

scientific name

Anocha vernalis
status

sp. nov.

Anocha vernalis View in CoL sp. nov.

Fig. 5A–C View FIGURE 5

Diagnosis. This is the smallest species known of Anocha and the only one in which the necks of the male flagellomeres are shorter than the nodes ( Fig. 5C View FIGURE 5 ). The gonostylus is straight rather than bent and slightly more slender compared with other Anocha ( Fig. 5A View FIGURE 5 ); the apical tooth extends far onto the dorsal side of the gonostylus ( Fig. 5B View FIGURE 5 ). The ventral gonocoxal emargination is a well-defined, narrow U-shape ( Fig. 5A View FIGURE 5 ). Females are unknown.

Other male characters. Body size 1.8 mm. Head. Eye-bridge incomplete, 3–4 ommatidia long at vertex. Postocular bristles 2. Apical two flagellomeres of holotype fused with each other, resulting in only 13 distinct flagellomeres; paratype with 14 flagellomeres. Flagellomeral nodes sparsely covered with microtrichia. Apical palpal segment subcylindrical, not club-shaped. Wing. Membrane fully setose. Rs extremely short. Tines of M1+2 parallel to each other. M4 and especially CuA faint, practically indiscernible. Terminalia ( Fig. 5A View FIGURE 5 ). Ninth tergite trapezoid. Gonocoxites as long as wide; ventral emargination membranous basally; membranous window slitshaped; ventrobasal edge convex. Gonostylus 2.5 times longer than wide. Tegmen subtrapezoid. Aedeagal teeth about 20.

Etymology. The species epithet, vernalis , is a Latin adjective meaning ‘belonging to spring’.

Types. Holotype. Male (no. CEC399), Sweden, Skåne, Tomelilla, Drakamöllan , dry heathland with juniper and common bent, 24–31 May 2005, Malaise trap, Swedish Malaise Trap Project (trap 38, collecting event 1443) (in NHRS). Paratype . Male (no. CEC400), same data as the holotype (in SDEI).

Distribution and phenology. Sweden (Skåne). The two specimens known of this species were collected in late spring in a dry, sandy heathland.

NHRS

Swedish Museum of Natural History, Entomology Collections

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Cecidomyiidae

Genus

Anocha

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