Genus Sminthurus Latreille, 1804.
Ant. III with 4–5 strong setae much longer, stronger and stouter than the rest. Mucronal bristle present or absent. Tenent hairs present or absent. If present not overhanging claw but standing out at an angle from tibio-tarsus. Claw with or without a tunica. Dorsal gland openings of furcal segment absent.
Represented in New Zealand by the European S. viridis, which probably has been introduced into this country, and the Australian species S. denisi.
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|1. Greenish species.||Claw with tunica and two inner teeth.||S. viridis Linné|
|2. Yellowish species.||Claw with tunica and one inner tooth.||S. denisi Womersley|
Sminthurus viridis Linné, 1758. Plate 72, figs. 527–528.
Colour: Greenish-yellow to green, with light to dark brown markings on abdomen. Antennae apically brownish to reddish.
Clothing: Dorsal setae long and simple.
Body: Length up to 3.0 mm. Antennae about twice as long as head. Ant. IV with up to twenty whorls of hairs. Ocelli, eight to each side, on black patches.
Legs: Claw with a well-developed tunica and two inner teeth, one at a-third, the other at two-thirds. Empodial appendage narrow with long apical bristle over-reaching tip of claw and distinctly recurved at its apex. No tenent hairs.
Furcula: Mucro simple with basal bristle.
Localities: Awahuri, Palmerston North, and throughout the Manawatu district; Hawke's Bay, South Canterbury, and Otago in pastures; also at Pokeno and Maraekakaho.
Sminthurus denisi Womersley, 1932. Plate 72, figs. 529–530.
Colour: Yellow, with brown motting and a white medio-dorsal stripe.
Clothing: Numerous long stout simple setae.
Body: Length up to 2.0 mm. Antennae longer than body, the fourth segment with eighteen subdivisions. Ocelli, eight to each side on black patches.
Legs: Claw with outer tunica and one inner tooth just past centre. Empodial appendage with narrow inner lamella and long straight apical bristle reaching to level of tip of claw. Tenent hairs absent.
Furcula: Dens two and a-half times as long as mucro. Mucro with strongly toothed inner lamella and basal bristle.
Locality: This Australian species has been reported from Manurewa, Auckland (Womersley, 1936). It has not been found elsewhere.