Acanthocasuarina tasmanica
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Ordo: Hemiptera
Familia: Triozidae
Genus: Acanthocasuarina
Name
Acanthocasuarina tasmanica Taylor – Wikispecies link – Pensoft Profile
- Acanthocasuarina tasmanica Taylor, Gary S., 2011, Zootaxa 3009: 37-39.
Materials Examined
Other material examined. None.
Description
Description. Adult (Figs 111–118). Colour [possibly altered due to lengthy storage in ethanol]: Male: general colour ochraceous to dark brown. Vertex dark brown; genal processes ochraceous to dark brown; antennal segments 1–2 brown; segment 3 ochraceous, darker apically; segments 4–10 progressively dark brown to black; pronotum dark brown with paler longitudinal medial stripe and pale infuscation laterally; mesopraescutum and mesoscutum brown to dark brown; mesoscutellum ochraceous to brown; abdominal tergites brown to dark brown; proctiger, subgenital plate and parameres ochraceous to orange-brown; proximal segment of aedeagus dark brown to black, distal segment ochraceous to orange-brown; legs with dorsal dark brown markings; distal tarsal segments dark brown to black; wings clear. Female: as for male, except proctiger ochraceous to orange-brown; subgenital plate with medial brown infuscation. Structure: measurements and ratios as in Tables 1–5. Body elongate. Antennae short, 1.32–1.64 times width of head; genal processes short, conical, apices separated, divergent; anterior margin of vertex rounded from dorsal aspect, delineated from genal processes by prominent ridge; vertex with indistinct medial suture; pronotum with prominent anterior, medial node; thorax weakly arched, head same width as pronotum and mesoscutum; fore wings elongate with broadly rounded apex; Rs short, terminating well short of wing apex; vein M 1 + 2 terminating little short of wing apex; cell m 1 short, broadly triangular, m 1 cell value 1.21–1.44; cell cu 1 moderately long, triangular, cu 1 cell value 0.76–0.94; radular areas thin, elongate in cells m 1, m 2 and cu 1; male terminalia as in Figs 130–131; proctiger without lateral expansions; parameres short, broad, blade-like from lateral aspect, weakly curved inward towards apex. Female terminalia as in Fig. 132; proctiger short with dorso-posterior margin smoothly rounded from lateral aspect and a weakly sclerotised, upturned blunt apical process; subgenital plate broad, triangular from lateral aspect. Nymph. Unknown.
Etymology
Etymology. Named after Tasmania where the species was collected.
Distribution
Distribution. Recorded from Elephant Pass, near Gray, in montane north-eastern Tasmania (Fig. 139). Host plant. Recorded from an undetermined species of Allocasuarina (as Casuarina). Its probable host is A. littoralis (Salisb.) L.A.S.Johnson (black sheoak) based on distribution and habitat. Allocasuarina littoralis is a dioecious tree from 5–15 m which occurs in coastal scrub and adjoining ranges from Cape York, Queensland to Otway Ranges, Victoria, and the eastern portion of Tasmania (Wilson & Johnson 1989).
Discussion
Comments. See Comments under Ac. acutivalvis for diagnoses.
Taxon Treatment
- Taylor, Gary S.; Jennings, John T.; Purcell, Matthew F.; Austin, Andy D.; 2011: A new genus and ten new species of jumping plant lice (Hemiptera: Triozidae) from Allocasuarina (Casuarinaceae) in Australia, Zootaxa 3009: 37-39. doi
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