Micridium newtoni sp.n.

(Figs. 12, 20, 52, 60, 70, 81, 89a/b, 98, 100)

Habitus Fig. 12. Length 0.76 mm. Colour: yellow brown, head dark brown, pubescence, legs and antennae pale yellow. Antennomeres 3–11 length 0.26 mm. Width across eyes 0.22 mm. Mentum almost square, submentum with 3 setae. Pronotum: without linear depressions, lateral margins evenly rounded, widest just behind middle, length 0.17 mm, width 0.28 mm. Fig. 20. Scutellum Fig. 100. Elytra length 0.52 mm, width 0.29 mm. Mesoventrum: collar with a short pair of posteriorly directed medial arms bearing long pubescence, Fig. 60. Mesepiventra: reticulation absent, hind angles smoothly rounded, Fig. 58. Metaventrum: metepiventral sutures reaching to posterior margin, Fig. 70. Wings of usual ptiliid type.

Male: posterior intercoxal process of metaventrum with a fringe of elongate setae, Fig. 98. Aedeagus Fig. 89a/ b.

Female: spermatheca Fig. 81.

Etymology. Named after the collector Dr A.F.Newton who has been very helpful to the writer.

Diagnosis. The large size and long elytra distinguish the species.

Type data: Holotype: ♀, Chile, Cautín Pr., Volcán Villarrica, site 653, Noth. domb.-pumilio forest w/ Chusquea, window trap, 1250m, 15–29.xii.1982, A. Newton & M. Thayer (FMNH) . Paratype: ♂, same data as holotype (BMNH); the specimen was found missing head and antennae and has been pinned on a small piece of acrylic as a disarticulated slide using Euparal as a mountant.

FIGURES 82–90. Micridium aedeagi. 82a/b. M. attenboroughi sp. n. 83a/b. M. elegans sp. n. 84. M. halidaii (Matthews) . 85. M. foveatum sp. n. 86a/b. M. thayerae sp. n. 87a/b. M. proprium sp. n. 88a/b. M. quadridens sp. n. 89a/b M. newtoni sp. n. 90a/ b M. rhodeanum (Casey) .