Lepidocyrtus curvicollis

Mateos, Eduardo & Petersen, Henning, 2012, Definition of the European Lepidocyrtus curvicollis group (Collembola: Entomobryidae) with description of a new species from Sardinia (Italy), Zootaxa 3273, pp. 51-62 : 61

Key to species of Lepidocyrtus curvicollis group

The differentiation between all taxa of the “ L. curvicollis group” can be made out by the following identification key (including European distribution).

1 Abd.IV seta s present; mesothorax projecting over the head; labial seta M1 shorter than M2.......................... 2

- Abd.IV seta s absent; mesothorax not projecting; labial setae M1 and M2 of equal length............................................................................................ L. vexillosus Loksa & Bogojeviċ, 1967 ( Croatia)

2 Labial chaetotaxy with all setae ciliated (M1*M2R*EL1L2); abd.II seta li absent; abd.IV without dorsolateral pseudopori between macrochaetae T6-D3-B5-B6..................................................................... 3

- Labial chaetotaxy with some smooth setae (M1*m2R*el1l2); abd.II seta li fan-shaped; abd.IV with 5–7 dorsolateral pseudopori between macrochaetae T6-D3-B5-B6................................................. L. curvicollis Bourlet, 1839 ( Austria, Belgium, Bosnia and Herzegovina, Britain, Bulgaria, Croatia, Czech Republic, France, Germany, Hungary, Ireland, Italy with Sardinia and Sicily, Kosovo, Latvia, Malta, Moldova Republic, Montenegro, Norway, Poland, Portugal with Madeira, Romania, Russia East, Serbia, Slovakia, Spain, Switzerland, The Netherlands, Ukraine)

3 Body unpigmented.................................................................................... 4

- Body pigmented................................................................... L. paradoxus Uzel, 1890 ( Austria, Belgium, Britain, Bulgaria, Croatia, Czech Republic, Finland, France, Germany, Hungary, Ireland, Italy, Kaliningrad region, Malta, Moldova Republic, Norway, Poland, Portugal, Romania, Russia Central, Slovakia, Spain, Switzerland, Ukraine)

4 Ant.IV without apical bulb............................................................................. 5

- Ant.IV with apical bulb................................................................. L. apicalis sp. nov.

5 Prelabral setae smooth; abd.IV seta T6 ciliated macrochaeta.................................................. 6

- Prelabral setae ciliated; abd.IV seta T6 smooth mesochaeta............................ L. nigrescens Szeptycki, 1967 ( Germany, Hungary, Italy, Poland, Ukraine)

6 Abd.IV macrochaeta E3 inserted below macrochaeta F2 (orientation as in Fig. 14 ); ratio C1-B4/B4-B6<0.6............ 7

- Abd.IV macrochaeta E3 inserted above macrochaeta F2 (orientation as in Fig. 14 ); ratio C1-B4/B4-B6>0.7.................................................................................... L. montseniensis Mateos, 1985 ( Spain)

7 Interocular seta q absent; unguiculus serrated..................... L. flexicollis Gisin, 1965 ( Spain with Canary Islands)

- Intraocular seta q present; unguiculus smooth............................ L. mariani Traser & Danyi, 2008 ( Hungary)

Figures

FIGURES 14 – 15. Lepidocyrtus apicalis sp. nov.: 14, abd. IV complete chaetotaxy, broad black circles –– broad ciliated macrochaetae, small black circles –– thin ciliated macrochaetae, lines –– smooth mesochaetae and microchaetae, triangles –– fanshaped setae, x –– trichobothria, # — pseudoporus; 15, abd. IV trichobothrial complex.