Sagola opercularis Broun, 1915

(Figs. 77–78)

Sagola opercularis Broun, 1915: 284 . Hudson 1923: 365, 1934: 184; Newton and Thayer 2005b; Nomura and Leschen 2006: 243.

Type Material Examined. Holotype: NEW ZEALAND: Mid Canterbury: 1♂ (BMNH), glued on rectangular card, aedeagus dissected and mounted in balsam on a clear plastic card, “Type” [red label, printed]; “3698. ♂ ” [white label, printed]; “New Zealand Broun Coll. Brit. Mus. 1922–482.” [white label, printed]; “Rakaia 27.12.1912.” [white label, handwritten]; “ Sagola opercularis . ♂.” [white label, handwritten].

Diagnosis. This species can be distinguished from other Sagola species by the following combination of characters: posterior frontal fovea elongate; ventral surface of male head with W-shaped process bearing dense setae behind process; median lobe of male genitalia curved laterally, C-shaped.

Redescription of Male. Length 2.1 mm. Body brown, antennae, legs, maxillary palpi, and elytra paler (Fig. 77a). Head: Head round, widest across eyes (Fig. 77b). Antennomere 1 approximately 1.5 times longer than wide, 2 longer than wide, 3 subquadrate, 4–6 longer than wide, 7–10 subquadrate. Frontal sulcus deep, reaching hind point of eye (Fig. 77a). Anterior frontal fovea small round and partially covered by frontal rostrum, posterior frontal fovea elongate (Fig. 77a). Thorax: Prosternum as long as wide, widest at midpoint. Meso- and metathorax trapezoidal, longer than wide. Abdomen: Male tergite IV with pair of microtrichial patches. Aedeagus: Genitalia with claw-shaped apical lobe (Fig. 77d). Phallobase of median lobe symmetrical and round (Fig. 77c–d). Parameres symmetrical, with short setae from base to middle and long setae from middle to apex (Fig. 77c).

Type Locality. Rakaia Gorge, near Methven, Mid Canterbury, New Zealand .

Distribution. Mid Canterbury (Fig. 78: star).

Habitat. Unknown.