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Aacanthocnema huegelianae

Aacanthocnema huegelianae

Australia
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Status
Not Evaluated

IUCN conservation assessment category

Habitat
Freshwater, Ocean

Primary ecological niche & biome

Diet
Omnivorous

Dietary type and primary food source

Activity
Diurnal

Diurnal, nocturnal, or active patterns

Scientific Summary

GBIF Taxonomic Backbone & Wikipedia Registry Profile

Description. Adult (Figs 29 – 35). Colour: Male: general colour ochraceous with orange-brown to dark brown markings. Vertex pale with a pair of orange-brown spots in vicinity of fovea, and a thick black transverse line on anterior margin; genal processes pale cream with pale grey infuscation towards apices; antennal segments 1 – 2 pale cream to ochraceous; segment 3 darker apically; segments 4 – 10 progressively dark brown to black; pronotum with a pair of pale brown lateral spots; mesopraescutum with a pair of short broad triangular markings confluent with anterior margin; mesoscutum with two pairs of orange-brown to brown longitudinal submedial stripes; mesoscutellum ochraceous; wings clear; legs pale with dorsal brown infuscation; fore- and mid-tarsi dark brown to black; hind basitarsi with dorsal infuscation, distal segment of hind tarsi dark brown to black; abdominal tergites dark brown; anterior face of proctiger dark brown, paler laterally; subgenital plate ochraceous; parameres with brown to dark brown apices; proximal segment of aedeagus dark brown to black, distal segment pale. Female: As for male, except with slightly paler markings; longitudinal stripes on mesopraescutum and mesoscutum orange-brown; proctiger with dark brown to black infuscation confluent with lateral margins of circum-anal pore ring, paler laterally and posteriorly; subgenital plate pale with brown infuscation laterally. Structure: measurements and ratios as in Tables 1 – 5. Antennae short, 0.89 – 1.19 times width of head; genal processes moderately long, 0.66 – 0.77 times length of vertex, conical with rounded apices; anterior margin of vertex very broad, flat from dorsal aspect, delineated from genal processes by prominent ridge; vertex very short, broad, with weak medial suture; pronotum with moderate anterior, medial node; thorax weakly arched, head much wider than pronotum and little wider than mesoscutum; fore wings short with broadly rounded apex; Rs short, mostly straight except distally, terminating well short of wing apex; vein M 1 + 2 terminating short of wing apex; cell m 1 short, broadly triangular, m 1 cell value 1.00 – 1.13; cell cu 1 short triangular, cu 1 cell value 0.72 – 1.00; vein Cu 1 a weakly arched; radular areas prominent, elongate triangular in cells m 2 and cu 1; male terminalia as in Fig 40 – 41; proctiger short broad, without lateral expansions; parameres short, parallel-sided, strongly incurved towards apices. Female terminalia as in Fig. 42; proctiger short, broad with angular dorso-posterior margin from lateral aspect; subgenital short, broadly rounded, triangular from lateral aspect. Nymph (Fig 36): Measurements and ratios as in Tables 6 – 7. Body brown with dark brown markings. Eyes dark brown; head with submedial dark brown markings in vicinity of fovea; thorax with dark brown submedial spots anteriorly, meso-and metathoracic depressions shiny dark brown with irregular dark brown markings between them, and posteriorly (together forming an irregular submedial stripe); fore wing pads with a longitudinal dark brown infuscation; caudal plate with a series of dark markings medially and laterally, and delineating margins of abdominal tergites. Body elongate-ovate; anterior margin of head broad; dorsum of body with a distinct medial longitudinal ridge; caudal plate short, broad with hind margin broadly rounded.
Biology & Conservation

Ecologically, the conservation status of Aacanthocnema huegelianae is officially designated as Not Evaluated. Current field registries estimate a global population composed of an unquantified number of individuals, making habitat preservation critical to maintaining their wild populations.

It is typically endemic to freshwater, ocean, showing great physiological synergy with its surroundings. In terms of dietary preferences, it relies primarily on a diet of diverse organic matter. It exhibits specialized adaptations centered around a its natural cycle activity pattern, optimizing its energy conservation and interactions within its native ecosystem.

Ongoing biological monitoring and ecological advocacy emphasize the importance of protecting this species. The stability of its food chain and the prevention of fragmentation in its primary range are vital for the continued survival of Aacanthocnema huegelianae.

Energy & Activity Profile
Habitat & Adaptation Index
Quick Facts
Native RangeAustralia
Habitat RangeFreshwater, Ocean
Lifespan
StatusData Deficient
ScientificAacanthocnema huegelianae
Registry Info
LifespanUnknown
KingdomAnimalia
FamilyTriozidae