Kalkadoona

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Using this Key

Kalkadoona Distant, 1910

Photo © Matthew Bulbert, Australian Museum

Type species:

Kalkadoona centromaculata Distant, 1910 by monotypy.

Number of Australian species:

Six.

Extralimital Distribution:

No.

Australian Distribution:

Temperate, subtropical and arid regions; Queensland, New South Wales, South Australia, Western Australia, Northern Territory.

Biology:

Unknown.

Host(s):

Kalkadoona enchylaenae and Kalkadoona pallida associated with Enchylaena tomentosa [CHENOPODIACEAE] Ruby Saltbush.

Diagnosis:

Colour

Body mostly yellow to light brown or medium to dark brown, some species with a mottled appearance. Venter of body same as dorsum, with dark brown to black broad markings. Antennae same as body, all segments concolorous.

Texture

Pronotum and scutellum densely and uniformly punctate.

Vestiture

Glabrous.

Structure

Body - Elongate-ovoid; dorsally flattened. Length 4.0 mm -7.4 mm, width 2.6 mm -5.6 mm

Head - Subtriangular in shape; head shorter or longer than the pronotum, moderately dorsoventrally orientated ; jugae equal to or longer than clypeus, apically free (not meeting) or joined (meeting), anterior margin pointed or rounded, laterally carinate, without processes; antennifer processes present; five antennal segments; first antennal segment shorter than distance between eyes, slightly swollen; bucculae elongate (posteriorly beyond antennifers); vertex flattened or convex; labium elongate, reaching between mid and hind coxae or extending to abdomen sternum III; eyes not stylate, directed laterally.

Pronotum - Hexagonal; calli well developed; humeral angles angulate or narrowly rounded; lateral margins carinate; anterolateral margins simple and straight, sinuate or concave; posterolateral and posterior margins straight or sinuate.

Scutellum - Triangular, elongate, apex narrowly rounded, lateral angles and medial scutellum with polished calli, not always well developed.

Thoracic sterna - Shallowly sulcate, without raised keel-like structures.

External efferent system - Well-developed, occupying most of metepisternum; peritreme elongate, tapered apically.

Hemelytra - Macropterous, extending just beyond apex of abdomen, membrane veins reticulate.

Legs - Tibiae sulcate.

Abdomen - Connexiva not visible beyond hemelytra; laterotergites unarmed; with a weak broad depression across sterna II and III.