Phycitinae (Figs. 105 to 110).
In the Phycitinae the haustellum is somewhat weak, and is apparently undergoing reduction. The maxillary palp in some genera, e.g., Homoeosoma, Sclerobia, and Crocydopora, consist of three short segments; in Hypsotropha it is difficult to decide whether there are three
or four, the basal segment being very weakly chitinized and showing certain indications of being the result of fusion of the first and second segments. In Delogenes there are undoubtedly four rather short segments; here again the basal segments is more or less membranous, but there is no evidence of fusion. Papua has developed a very unusual type of palp, the first and second segments being extremely long, very weakly chitinized, and with the division merely indicated. Epicrocis has one of the most remarkable maxillary palps to be found in the Lepidoptera. The organ is four-segmented, the basal segment being long, membranous, and flexible. It droops downwards from the stipes, but the second segment, which is well chitinized, is directed sharply upwards. This segment is about the same length as the first, both being thin in comparison to their length. The third and fourth are short, the former being clavate and the latter cone-shaped. From the last two segments arise a great number of extremely long hairs. These hairs are slightly thickened at their apices, and being all of about the same length form a pair of truncated stiff brushes which lie immediately behind the upturned labial palpi. These very remarkable palpi are, however, confined to the male, the female having a three-segmented organ of ordinary structure.
Species examined: Delogenes limodoxa Meyr., Papua rhabdota Turn., Hypsotropha chlorogramma Meyr., Epicrocis sublignalis Walk., Homoeosoma formacella Meyr., Sclerobia tritalis Walk., Crocydopora cinigerella Walk.