Phalacridae, Leach, 1815

Gimmel, Matthew L. & Leschen, Richard A. B., 2020, First report of Austroporus doctus (Blackburn) from New Zealand and description of its larva (Coleoptera: Phalacridae), Papéis Avulsos de Zoologia 60 (29), pp. 1-8 : 6

Key to adults and larvae of New Zealand Phalacridae (some figures from Thompson & Marshall (1980) [“TM”])

1. Adult: antennal insertions hidden in dorsal view by continuously arcuate frontal margin of head; scutellar shield large, basal width greater than diameter of eye (TM: fig. 3); metaventral process large, protruding anteriorly, surpassing mesocoxae; elytra uniformly dark brown. Larva: antenna with sensorium present on antennomere 1 (TM:fig. 26); median endocarina absent on head (TM: fig.24);frontal arms meeting at base, forming short epicranial stem (TM: fig. 24); head capsule elongate,narrow (TM: fig.24)........................................ ........................................................... Phalacrus uniformis (Blackburn)

— Adult: antennal insertions exposed in dorsal view by emarginations in frontal margin of head ( Fig. 4 ); scutellar shield ( Fig. 1 ) small, basal width shorter than diameter of eye; metaventral process short, not protruding anteriorly, not surpassing mesocoxae ( Fig. 2 ); elytra blackish with central reddish maculation ( Figs. 1 , 3 ). Larva: antenna with sensorium present on antennomere 2 ( Fig. 9 ); median endocarina present on head ( Fig. 15 ); frontal arms independently reaching posterior margin of head capsule, epicranial stem absent ( Fig.15 ); head capsule short,wide ( Fig.15 )......................................... ............................................................ Austroporus doctus (Blackburn)

Figures

Figures 3-4. Austroporus doctus (Blackburn),adult habitus.(3) Lateral,(4) frontal.Scale bars:1 mm.

Figures 1-2. Austroporus doctus (Blackburn),adult habitus.(1) Dorsal,(2) ventral.Scale bars:1 mm.

Figures9-13.Austroporusdoctus (Blackburn),larvalstructures.(9)Antenna, latero-ventral;(10)labium,ventral;(11) left maxilla,ventral;(12)leftmandible,ventral;(13) apex of mandible,dorsal.

Figures 14-16. Austroporus doctus (Blackburn),larva.(14) habitus,dorsal;(15) head and prothorax,dorsal;(16) head and prothorax,ventral.