Paralimna bocki, Polevoi & Maximova & Subbotina, 2020

Krivosheina, M. G. & OZerov, A. L., 2020, A new species of the shore-fly genus Paralimna Loew, 1862 (Diptera: Ephydridae) from Australia, Russian Entomological Journal 29 (2), pp. 222-226 : 225-226

KEY TO AUSTRALIAN SPECIES OF SUBGENUS PARALIMNA

1. 4 stronger facial setae, basal coloration of mesonotum, scutellum and abdomen brown. Body length 6.2–6.9 mm ................................................................ bocki , sp.n.

— 2 stronger facial setae, basal coloration of mesonotum, scutellum and abdomen grey with areas of brown ...... 2

2. Dark spots at apical scutellar macrochaetae not completely coalescing, leaving at least small pale spot at tip of scutellum ....................................................................... 3

3 4

5

— Dark spots at apical scutellar macrochaetae completely coalescing, apex of scutellum entirely dark brown...... 4

3. Face and clypeus unicolor, light grey, mesonotum, scutellum and abdomen substantially grey with dark spots at bases of setae, hairs of pubescence and abdominal tergites. Body length 5.7–7.1 mm ............ stirlingi Malloch, 1926

— Face golden-brown, clypeus light grey, mesonotum, scutellum and abdomen substantially grey with dark spots at bases of setae and abdominal tergites, spots at bases of hairs of pubescence coalescent. Body length 4.6–6.7 mm ....................................... millepuncta Malloch, 1925

4. Abdominal micropubescence dense: grey area on tergite 4 with 16 microchaetae. Body length 4.7–6.3 mm ........... ........................................................... pilosa Bock, 1988

— Abdominal micropubescence rather sparse: grey area on tergite 4 with 7 microchaetae. Body length 3.9–6.0 mm ....................................................... spatiosa Bock, 1988

Acknowledgements. We are very grateful to Dr. Nikita Vikhrev ( ZMUM) who collected the new species. We greatly appreciate the help of our colleagues D. Yeats and B. Sinclair (Australian National Insect Collection, ANIC- CSIRO), D. Bickel, J. Martin, G. Theischinger, D. McAlpine and R. Cox (Australian Museum, Sydney) for the images of the type specimens of Paralimna , which helped us to determine the new species. The investigation was fulfilled within the state project AAAA-A18-118042490060 - 1 (M.G. Krivosheina) and the State project No AAA-A15- 116021660077-3 (A.L. Ozerov) .