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This
tribe is perhaps more characteristic of more seasonal habitats, particularly
savanna, in the tropics and semi-arid and Mediterranean climate areas at higher
latitudes. Larval host plants are predominantly in the Leguminosae.
Included
genera mostly contain rather uniformly dark, greyish brown moths with much
darker patagia, giving them a blackish collar, giving them the English name of
‘Blacknecks’. The genitalia are characterised (M. Fibiger, pers.comm.; but see also
Fibiger, 2003: 29 [group 2b]) by simple but slight bilateral asymmetry in the
valves and an inverted Y-shaped juxta in the male and a beaded signum (a
scobinate band or bands) in the female, though this is not always present.
Two
genera occur in the Indo-Australian tropics, but only one, Pantydia Guenée, occurs
in Borneo. The other, Tathorhynchus Lederer
(subordinated to Lygephila Billberg as a subgenus by Fibiger (2003)), is
pantropical, with a widespread Old World species, exsiccata Lederer, that
extends as far as India, and an outlying species, fallax Swinhoe, in
Australia that migrates east to Norfolk I. and New Zealand (Holloway, 1977,
1996; Hayes, 1980).
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