Major Group: Insecta
Order: Hemiptera
Family: Notonectidae
Genus: Nychia
Species: sappho
This genus is represented in Australian freshwaters by a single species, Nychia sappho Kirkaldy. |
Descriptive Features: body elongate, oval
head not as broad as pronotum
eyes very large, kidney-shaped to semicircular, inner margins in dorsal view converging, touching each other in posterior third
antennae 3-segmented
pronotum broader than long with antero-lateral margins distinctly foveate
claval commissure of hemelytra continuous (i.e. no hair-lined pit)
corium of fore wing without nodal furrow, species predominantly brachypterous
mid femur without a pointed ante-apical protuberance, but with a pair of stout bristles ventrally in basal half
fore and mid tarsi 2-segmented in males, 1-segmented in females
male genital capsule not divided, parameres asymmetrical, small, situated on dorsal margin of capsule
female with short gonapophyses
Total length: 4.0 – 5.0 mm |
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Nychia |
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Taxonomic Checklist: Nychia sappho Kirkaldy |
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Distribution: N Qld, S Qld, N NT, N WA
Functional Feeding Group: predators |
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Barramundi Creek, NT |
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Information Sources: Andersen & Weir 2004, Cassis & Gross 1995 |
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