Abstract
Abstract. The New Zealand genus Actizeta Pascoe, 1875 is transferred from the tribe Opatrini of the tenebrionoid lineage to the tribe Cnemeplatiini of the tentyrioid lineage in a new subtribe Actizetina. The Australian genus Thorictosoma Lea, 1921 is transferred from the tribe Ulomini of the tenebrionoid lineage to Cnemeplatiini in a new subtribe Thorictosomatina. The description of Pimeliinae is modified to incorporate additional taxa and characters. Cnemeplatiini sens.n. is defined, a key to subtribes and genera is presented, and Actizeta is described from adult and larval characters. Relationships of Cnemeplatiini are discussed, and the tribe Idisiini is identified as the most probable sister-group, on the basis of resemblances particularly in female genitalia and larvae. Characters of the ancestor of the tentyrioid lineage (subfamily Pimeliinae) are deduced. Attention is drawn to the taxonomic value of digitiform pegs on the terminal segments of maxillary and labial palpi, and larval endopleura.
Published Version
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