Fonsechellus, Silvestri, 1946

Zilberman, Bruno & Fontes, Luiz Roberto, 2020, New species and morphological notes on the termitophilous genera Fonsechellus Silvestri and Oecidiophilus Silvestri from Brazil (Staphylinidae, Aleocharinae, Corotocini, Termitoceina), Papéis Avulsos de Zoologia (Pap. Avulsos Zool., S. Paulo) 60 (21), pp. 1-13 : 3

Key to Fonsechellus species

1. Tibiae heavily sclerotized (see Kistner, 1993 figs. 1a-1c). Associated with Velocitermes sp.or Diversitermes sp...................... F.diversicolor Silvestri

1’. Tibiae moderately sclerotized (see Kistner,1993 figs.1a-1c)................... 2

2. Sclerotized parts pale yellow.Labrum swollen in lateral view( Figs.25,26 ). Associated with Araujotermes caissara Fontes ............... F.fontesi Kistner

2’. Sclerotized parts darker, yellowish to reddish. Labrum not swollen in lateral view..........................................................................................3

3. Bristles on the sides of the abdomen, especially in segment VI, with straight,non-geniculate tips...............................................................4

3’. Bristles on the sides of the abdomen, especially in segment VI, with geniculate tips (see Silvestri, 1946, figs. 14, 16). Associated with Nasutitermes sp.( N.distinctellus , nomen nudum ( Silvestri,1946))........ .................................................................................... F.bicolor Silvestri

4. Male and female with short bristles on abdomen. Pronotum with four macrosetae:two on disk near apex and two marginal;discal setae closer together than those of marginal.Associated with Subulitermes sp........ .................................................................................... F.fragilis Seevers

4’. Female with long bristles on abdomen; male similar in general aspect to male or female of F. fragilis . Pronotum of female with 6 pairs macrosetae: two pairs on anterior margin near apical angle, two on each lateral margin, one subapical pair and another pair near base. Associated with Atlantitermes guarinim Fontes .................................. ..................................................................... F.heterosetosus sp.nov.

Figures

Figures 25-28. Fonsechellus fontesi Kistner, 1993. Habitus, lateral: (25) female, with arrow indicating the swollen labrum; (26) male, with arrow indicating the swollen labrum.Habitus Dorsal:(27) female;(28) male.Scale bars:0.1 mm.