Micromorphus vikhrevi, Grichanov, I. Ya., 2024

KEY TO SPECIES OF MICROMORPHUS FROM View in CoL TURKEY AND

ADJACENT COUNTRIES

1. Thorax mostly orange-yellow; antennal stylus slender and whitish; body length 1.6 mm ........... M. aereus (Vaillant)

– Thorax black; antennal stylus dark ................................... 2

2. Fore coxa pale setose ....................................................... 3

– Fore coxa dark setose ........................................................ 5

3. Arista-like stylus dorsoapical; male cercus with 5 very long yellow setae, about half as long as epandrium; body length 1.5 mm .................................................. M. vikhrevi sp.n.

– Arista-like stylus apical; male cercus with only short setae ........................................................................................ 4

4. Male cercus weakly projected; ventral cercal plate rounded; body length 1.3 mm ................. M. minusculus Negrobov View in CoL

– Male cercus strongly projected; ventral cercal plate pointed; body length 1.5 mm ............... M. mesasiaticus Negrobov View in CoL

5. Hind tibia with 2 strong anterodorsal bristles; male cercus hidden; dorsal lobe of surstylus narrow; body length about 1.5 mm ........................................ M. albipes (Zetterstedt) View in CoL

– Hind tibia with 1 strong and long anterodorsal bristle; male cercus projected; dorsal lobe of surstylus broad; body length 1.4 mm ........................... M. shamshevi Negrobov View in CoL

Acknowledgments. The author expresses sincere gratitude to Drs Andrey L. Ozerov and Nikita E. Vikhrev (ZMMU) for their kindness in providing material for study. The work was supported by All-Russian Institute of Plant Protection project No. FGEU-2022-0002.