Meromyza samsunensis , Kubik, Stepan & Bartak, Miroslav, 2017

Kubik, Stepan & Bartak, Miroslav, 2017, Frit flies of Turkey with descriptions of two new species and new records (Diptera, Chloropidae), ZooKeys 667, pp. 131-154: 147-149

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scientific name

Meromyza samsunensis

sp. n.

Meromyza samsunensis  sp. n. Figs 10-12, 13-15

Type material.

Holotype male, Turkey: Samsun, University campus, 22. vi– 4.vii.2014. Holotype is in good condition, abdomen on plastic tags together with the specimen. Paratypes: 2M and 2F same data.


Species with black palpus on apical half, first flagellomere 1.5 times as long as wide, red grey microtrichose stripes on scutum and hind femur nearly four times thicker than tibia. Meromyza samsunensis  has anterior process of postgonite widened laterally forming distinct longitudinal rib; upper half parallel and curved, lower half concave. This character is hardly visible in lateral view (Fig. 15). In M. femorata  , the anterior process of postgonite is flat, wide and with three to four smooth spinules on the surface (Fig. 16).


Male (Figs 10-11). Ground colour yellow. Frons produced anteriorly, produced region of frons same width of first flagellomere. Ocellar triangle occupying two-thirds of frons, shining, rugose on apical portion and black on ocellar tubercle only, with one row of black interfrontal setae along sides. First flagellomere 1.5 times as long as wide, yellow, darkened on dorsal portion and with long pale setulae. Arista yellow, nearly bare. Genal as wide as first flagellomere. Vibrissal angle obtuse. Palpus black on apical half and yellow basally.

Thorax: Scutum with red grey microtrichose stripes, midstripe reaching scutellum and scutellum with small red mark. Pleura with red marks except small black mark on anepisternum. Wing hyaline with whitish yellow veins. Halter whitish yellow. Legs yellow, fore tarsus darkened. Hind femur strongly swollen, nearly four times as thick as tibia (Fig. 12).

Abdomen: yellow with dark midstripe and small spots on tergites 2-5. Male genitalia (Figs 13-14): epandrium yellow, with long curved surstylus evenly covered with small setulae. The upper half of anterior process of postgonite is parallel and curved, lower half concave. Posterior process enlarged (Fig. 15).

Body length 3.5-4.0 mm.


New species has elongated first flagellomere. The character is rear in Meromyza  , only two species have elongated first flagellomere: Meromyza mirabilis  Fedoseeeva, 1974 and Meromyza longicornis  (Frey, 1921). Meromyza mirabilis  has first flagellomere 1.5 times as long as wide (similar to M. samsunensis  sp. n) but palpus is yellow and stripes on the scutum are brown. Meromyza longicornis  has first flagellomere 2.5 times as long as wide and hind femur 3 times as wide as hind tibia. M. samsunensis  sp. n is similar to Meromyza femorata  Macquart, 1835 in having red stripes on the scutum with median stripe reaching the scutellum, palpus black on apical half, and hind femur strongly swollen. The main difference between both species is in the shape of postgonite.


the species epithet refers to the location where the holotype was collected (the city of Samsun).