Litocampa humilis humilis (Condé, 1948)

Plusiocampa humilis Condé, 1948a: 43, fig. 4.

Litocampa humilis – Paclt 1957: 27.

Diagnosis (Condé 1948a, 1949b, 1991; Bareth 1966, 1968, 2006)

Body length 4.0–7.0 mm; epicuticle with thin microdenticles; middle-sized, smooth clothing setae;

antennae with 24–33 antennomeres; sensillum of third antennomere in ventral position; deep cupuliform

organ with four simple olfactory chemoreceptors; 1+1 ma, 1+1 la, 1+1 lp macrosetae on pronotum and

mesonotum, 1+1 ma, 1+1 lp on metanotum; middle-sized notal macrosetae with barbs along distal half

to two-thirds; well barbed, thick, long marginal setae; without dorsal femoral macrosetae; one short

ventral tibial macroseta; calcars with 4–6 barbs; smooth apical tarsal setae; subequal grooved elbow-like

claws with small smooth lateral crests; 1+1 la, 1+1 lp macrosetae on V–VII urotergites, 3+3 lp on VIII

urotergite and 5+5 lp on IX abdominal segment; male with glandular g 1 -setae, slightly subtrapezoidal appendages with glandular a 2 and a 1 -setae; subcylidric appendages in females with glandular a 1 -setae; cerci shorter than body with 12 articles covered in long macrosetae with thin barbs along distal half

and a few smooth clothing setae; spermatozoid fascicle 65–70 μm diameter and 14–15 μm wide, spiral

filament with 7–10 spirals, 1200–1600 μm long and 5.7 μm in longest axis of irregular section.

Habitat and distribution

Cave-dwelling species with moderate cave-adapted traits, frequently found in natural and artificial caves in Central Europe and eastern France (Condé 1991; Bareth 2000a; Sendra et al. 2013), and expanding its distribution towards the eastern Carpathians in Romania (Ionescu 1955).