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The taxa discussed in the remainder of this part, Camptoloma Felder
and the Aganainae (Hypsinae), have been placed in the Arctiidae until relatively
recently, or even in distinct families. More thorough investigations conducted
in the past decade or so have done much to clarify the derived features that
define the major noctuoid families, with the result that several genera or small
groups of genera have had to be reclassified. This work is continuing so
stability of the current classification cannot, yet be assured.
Both the following groups lack the arctiid character of a tymbal organ
and possess the noctuid feature of a post-spiracular counter-tympanal sclerite
combined in Aganainae with a prespiracular hood. Other features will be noted
individually.
The two groups are included in this part for the convenience of users of
the series who will probably expect to find the groups in their ‘old
positions’
The taxon Caranusca rubrifera Walker, described from Sarawak (J.
Linn. Soc. Lond. (Zool.) 6:100-101) as ‘allied’ to Hypsa, remains
enigmatic. It is still assigned to the Aganainae by Watson, Fletcher and Nye
(1980). The type should be in the University Museum, Oxford, but has not been
located there. The description does not readily fit any noctuoid known to occur
in Borneo: body thick (1.5cm long), abdomen conical; wings narrow, forewings
apically quadrate (span 4cm); antennae filiform, ciliate; general colour
ferruginous (e.g. forewings) but head, thorax and base of the abdomen broadly
red; forewing with oblique ashy grey fascia from apex to dorsum at two thirds;
hindwing bright yellow, apically and marginally ferruginous brown; dorsum of
hindwing greyish.
The genus Baroa Moore is also dubiously arctiid for the reasons
stated on
Baroa
siamica Hampson.
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