Lestica Bilberg 1820

Can, İlyas & Gülmez, Yaşar, 2022, A new species of Lestica Billberg (Hymenoptera: Crabronidae) from Turkey, Zootaxa 5125 (4), pp. 429-436 : 435

A key to the Turkish species of Lestica Bilberg 1820

Male

1 Head narrowed behind eye.............................................................................. 2

- Head not narrowed behind eye........................................................................... 5

2 Flagellomere I 3.0–3.5 × as long as wide........................................ L. pluschtschevskyi (F. Morawitz)

- Flagellomere I 1.5–2.0 × as long as wide................................................................... 3

3 Hindtrochanter without spine.......................................................... L. camelus (Eversmann)

- Hindtrochanter with obvious spine....................................................................... 4

4 Foretarsomere I shield–like, wider than long, foretarsomeres II and III distinctly narrower than I; trochanter III with thick, conspicuous spine; midfemur with basal tooth; apex of foretrochanter with carina................. L. clypeata (Schreber)

- Foretarsomeres I–III shield-like, wider than long, foretarsomeres II and III as wide as I; trochanter III with fine spine; midfemur rounded and enlarged basally; apex of foretrochanter with conspicuous spine...................... L. anatolica sp. nov.

5 Foretarsomere I with narrow shield-like extension............................................. L. eurypus (Kohl)

- Foretarsomere I without shield-like extension, parallel–sided, narrow............................................ 6

6 Mesopleuron with very coarse and dense punctures, intervals between punctures almost invisible; forebasitarsus dilated into translucent blade, longer than wide.......................................................... L. alata (Panzer)

- Mesopleuron with more or less coarse punctures, with shiny interspaces; forebasitarsus not dilated..................................................................................................... L. subterranea (Fabricius)

Female (unknown in L. anatolica Can et Gülmez , sp. n., and L. eurypus )

1 Pygidial plate markedly compressed from sides and elongated into narrow strip, on apex impressed longitudinally, on each side with thick long setae.................................................................................. 2

- Pygidial plate flat, broadly triangular, slightly compressed, setae on each side shorter and less dense................... 3

2 Pronotum with conspicuous sharp spine laterally; minimum distance between eye margins equal to ⅔ of scape length; underside of thorax with coarse and dense large punctures; free margin of clypeal lobe with clear notch; tibiae all yellow.............................................................................................. L. clypeata (Schreber)

- Pronotum laterally without spine, at most with very small denticle; minimum distance between eye margins equal to ½ of scape length; underside of thorax with sparse, small punctures; free margin of clypeal lobe with barely noticeable notch; tibiae largely dark.............................................................................. L. camelus (Eversmann)

3 Mesopleuron coarsely and densely punctate, interspaces hardly visible; flagellomere I 2.0 × as long as wide.................................................................................................... L. alata (Panzer)

- Mesopleuron with sparse distinct punctures more than one diameter apart, interspaces smooth and shiny; flagellomere I 1.8— 2.0 x as long as wide................................................................................... 4

4 Flagellomere I at least 2.5 × as long as wide, II clearly longer than III.................. L. pluschtschevskyi (F. Morawitz)

- Flagellomere I 1.5 × as long as wide, II not longer than III................................. L. subterranea (Fabricius)