(199LElan) Lepidocyrtus lanuginosus (Gmelin, 1788)

        *aeneus (Nicolet, 1842)
          *argentatus Bourlet, 1842
          *gibbulus (Nicolet, 1842)
          *rivularis Bourlet, 1842
          *vespensis Womersley, 1930

Lepidocyrtus lanuginosus is a predominantly pale species with traces of blue pigment on the head, thorax and legs. The second thoracic segment is not prominent and there are no scales on the legs or antennae. It reaches 2.0 mm in length and is very common in damp habitats rich in organic matter, and also occurs in good numbers up trees as part of the canopy community.

Most of the specimens of Lepidocyrtus in the NHML slide collection are too opaque to allow the chaetotaxy to be described. However, one individual from Chazey Heath near Reading is particularly well-cleared and it is possible to make out the arrangement of setae on the abdomen (Fig. 1) and the labium (Fig. 2 and 3). The empodium is long and tapering (Fig. 4) as in all Lepidocyrtus (apart from Lepidocyrtus ruber).

 

 

 

Distribution map for Lepidocyrtus lanuginosus (199 LElan); last updated 2012.

 

Fig. 1: Dorsal right side of the 4th abdominal segment of Lepidocyrtus lanuginosus collected from Chazey Heath in 1986 by M.N. Wetton. The distal part of the trichobothrium (trich) is not in the plane of focus. The arrangement of setae e, a, m and mp agrees with descriptions in the literature except for the presence of an additional seta (labelled ?) - maybe an aberrant specimen. Ant, anterior; Post, posterior.

Fig. 2: Labium on the right side of the head at two levels of focus of the same specimen of Lepidocyrtus lanuginosus shown in Fig. 1. The three macrosetae (1, 2 and 3) at the base of the labium are 'ciliated'.

Fig. 3: Labium on the right side of the head at two levels of focus of the same specimen of Lepidocyrtus lanuginosus shown in Fig. 1. The three macrosetae (1, 2 and 3) at the base of the labium are 'ciliated'.

Fig. 4 (above): Foot of the third leg of the same specimen of Lepidocyrtus lanuginosus shown in Fig. 1.

 
Facebook icon    Twitter icon    Instagram icon    LinkedIn icon © Roehampton University