Abstract
An unusual new lampyrid genus, Oculogryphus Jeng, Engel, and Yang, new genus, and its type species, Oculogryphus fulvus Jeng, new species, from Vietnam, is described and figured. The genus is characterized by its filiform antennae, large and ventrally approximate compound eyes that are deeply emarginate posteriorly, largely exposed head (i.e., not covered by the pronotum), eight abdominal ventrites, rectangular abdominal tergites, absence of photogenic organs, and symmetric aedeagal sheath and genitalia in the male (the female is presently unknown). The genus does not adequately fit into any subfamily as they are currently defined, highlighting the difficulties of the subfamilial and tribal classification presently in use. Though most likely allied to Ototretinae or Luciolinae, the systematic position of Oculogryphus cannot be determined as currently there is no comprehensive phylogeny of Lampyridae and related groups. The species may rely on photic cues for purposes of mating. A key to the genera of Lampyridae (sensu Crowson) occurring in Palaearctic East Asia, Oriental, and Australian regions is provided. Some taxonomic problems of Ototretinae are commented upon.
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