Abstract
The Australian species Austroporus doctus (Blackburn) is reported from New Zealand for the first time. Adults are illustrated and diagnosed, and late-instar larvae are fully described and illustrated. In addition, a summary of prior larval descriptions of Phalacridae is provided. This represents the first description of the morphology and habitat of the larvae within the genus Austroporus Gimmel and the Olibroporus-group of genera. Austroporus doctus is native to eastern Australia, where adults are distinguished from similar species by characters of the male genitalia and by a suite of external morphological features. There are no native members of Phalacridae known from New Zealand, but A. doctus represents the second introduced and established species there. A key is given to differentiate adult and larval A. doctus from the other introduced New Zealand species, Phalacrus uniformis (Blackburn).
Highlights
The beetle family Phalacridae, with 33 genera and about 650 described species (Gimmel, 2013, 2017, personal data), is distributed nearly worldwide
No phalacrids have been reported from Chile, and no native phalacrids have been reported from New Zealand
Phalacrus u. frigoricola was reported to feed within the galls of Uromycladium notabile (Ludwig) McAlpine and U. acaciae (Cooke) Sydow on Acacia mearnsii DeWildemann in New Zealand (Thompson & Marshall, 1980)
Summary
The beetle family Phalacridae, with 33 genera and about 650 described species (Gimmel, 2013, 2017, personal data), is distributed nearly worldwide. Phalacrus uniformis frigoricola Thompson & Marshall, 1980, was reported to be established in the North Island (Thompson & Marshall, 1980). Adults and larvae of most members of the family appear to be associated with fungi, though a significant number of species are associated with pollen of seed plants as adults, while their larvae apparently feed on plant fluids (Steiner, 1984; Gimmel, 2013). Frigoricola was reported to feed within the galls of Uromycladium notabile (Ludwig) McAlpine and U. acaciae (Cooke) Sydow on Acacia mearnsii DeWildemann in New Zealand (Thompson & Marshall, 1980). Frigoricola, occurring with the seed pods of Acacia longifolia (Andrews) Willd., were found in Northland, New Zealand. We take the opportunity here to identify the species involved and to describe its larva
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