Lepidocyrtus lignorum ( Fabricius, 1793 )

Mateos, Eduardo, 2011, New Lepidocyrtus Bourlet, 1839 taxa from Greece (Collembola: Entomobryidae), Zootaxa 3108, pp. 25-40 : 27

Lepidocyrtus lignorum ( Fabricius, 1793)

Tabs 1–4

Material examined. Rhodes, 5 spec. from LOC179, 5 spec. from LOC180; Paros, 5 spec. from LOC199 ( Table 1 ). All specimens on slides: three slides (codes CRBA 8523, CRBA 8524, CRBA 8525) deposited at the Centre de Recursos de Biodiversitat Animal, Faculty of Biology, University of Barcelona (http://www.crba.ub.edu); other slides deposited at the E. Mateos’ collection. In alcohol: Rhodes, 106 spec. from LOC179, 70 spec. from LOC180; Paros, 55 spec. from LOC199 ( Table 1 ). All spec. conserved in alcohol and deposited at the E. Mateos’ collection.

Diagnosis. Medium sized Lepidocyrtus (1.5 mm of maximum body length) with mesothorax slightly projected over the head and with uniform yellowish body color. The only areas blue pigmented are ant.II–IV, anterior region of the head and cox.I–II. Ocular areas black. Ant.I–II, legs and dorsal side of manubrium scaled. Ant.IV without apical bulb. Labium chaetotaxy M1M2R*EL1L2 (R half in length than other setae, marked with *). Labrum 4/554, prelabral setae ciliated, first and second rows of labral setae smooth, apical row of labral setae branched (bi- or tri branched), inverted U-shaped labral apical intrusion, four rounded labral papillae with three small pointed expansions. Outer maxillary palp with two smooth macrochaetae. Outer differentiated seta of labial appendage curved, tip not reaching the apex of the papilla. Ventral cephalic groove with 4+4 ciliated setae. Head with a maximum of 10+10 macrochaetae in row A. Interocular chaetotaxy with ciliated setae s, t, p, and two scales. Dorsal macrochaetae formula R0R1R2So/10/0301+3, with supplementary macrochaetae R1s between R0 and R1. Abd.III seta d3 absent. Abd.IV trichobothrium T2 without accessory seta s, macrochaeta F2 above macrochaeta E3. All setae associated with the dorsal trichobothria on abd.II–III–IV are fan-shaped mesochaetae. V-shaped trochanteral organ formed by a maximum of 10 smooth setae. Inner edge of the unguis with basal paired teeth and two odd teeth, unguiculus with outer edge smooth. Manubrial plate with a maximum of 3 inner setae and 7 outer setae.

Remarks. The examined specimens show the morphological and chaetotaxic characters described by Gisin (1964a, b) and Mateos (2008a) for L. lignorum , although showing some minor differences such as: smaller body size (1.5 mm instead of 2.0 mm), fewer trochanteral organ setae (10 instead of 21), and unguis with two odd teeth (instead of only one). As Gama (1973) indicated studying specimens from different localities of mainland Greece, not all specimens have the apical setae of labrum distinctly tri-branched (as indicated by Szeptycki 1967 in individuals from Poland), and some of them have these setae bi-branched. No specimens with the color pattern described by Gama (1973) for L. lignorum var. from the mainland Greece have been found.