Acanthocasuarina acutivalvis

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This page should be cited as follows (rationale):
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 : 28 – 30, doi. Versioned wiki page: 2017-06-22, version 148530, https://species-id.net/w/index.php?title=Acanthocasuarina_acutivalvis&oldid=148530 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste

BibTeX:

@article{Taylor2011Zootaxa3009,
author = {Taylor, Gary S. AND Jennings, John T. AND Purcell, Matthew F. AND Austin, Andy D.},
journal = {Zootaxa},
title = {A new genus and ten new species of jumping plant lice (Hemiptera: Triozidae) from Allocasuarina (Casuarinaceae) in Australia},
year = {2011},
volume = {3009},
issue = {},
pages = {28 -- 30},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2017-06-22, version 148530, https://species-id.net/w/index.php?title=Acanthocasuarina_acutivalvis&oldid=148530 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - A new genus and ten new species of jumping plant lice (Hemiptera: Triozidae) from Allocasuarina (Casuarinaceae) in Australia
A1 - Taylor, Gary S.
A1 - Jennings, John T.
A1 - Purcell, Matthew F.
A1 - Austin, Andy D.
Y1 - 2011
JF - Zootaxa
JA -
VL - 3009
IS -
UR - http://dx.doi.org/TODO
SP - 28
EP - 30
PB -
M1 - Versioned wiki page: 2017-06-22, version 148530, https://species-id.net/w/index.php?title=Acanthocasuarina_acutivalvis&oldid=148530 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Taylor2011Zootaxa3009">{{Citation
| author = Taylor, Gary S., Jennings, John T., Purcell, Matthew F., Austin, Andy D.
| title = A new genus and ten new species of jumping plant lice (Hemiptera: Triozidae) from Allocasuarina (Casuarinaceae) in Australia
| journal = Zootaxa
| year = 2011
| volume = 3009
| issue =
| pages = 28 -- 30
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2024-12-13

}} Versioned wiki page: 2017-06-22, version 148530, https://species-id.net/w/index.php?title=Acanthocasuarina_acutivalvis&oldid=148530 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Hemiptera
Familia: Triozidae
Genus: Acanthocasuarina

Name

Acanthocasuarina acutivalvis TaylorWikispecies linkPensoft Profile

  • Acanthocasuarina acutivalvis Taylor, Gary S., 2011, Zootaxa 3009: 28-30.

Materials Examined

Other material examined. AUSTRALIA, Western Australia: from Allocasuarina acutivalvis: 4 3, 6 Ƥ 8 km N Dalwallinu (WINC); 11 3, 19 Ƥ 10 km S Kallanie (WINC); 4 3, 7 Ƥ S Kulin (WINC); 1 3, 1 Ƥ 5 km SE Merredin (WINC); 2 3, 1 Ƥ 47 km S Merredin (WINC); 3 3, 3 Ƥ (dried) 18 3, 46 Ƥ, 8 nymphs 2 km E Mollerin (WINC); 2 nymphs (dried), 7 3, 10 Ƥ 25 km NW Morawa (WINC); 2 Ƥ 14 km SE Mullewa (WINC); 3 3, 2 Ƥ Nerren Nerren (WINC); 16 3 44 Ƥ 5 km S Nerren Nerren (WINC); 2 3, 8 Ƥ 13 km S Perenjori (WINC); 1 3 15 km S Wialki (WINC); 2 3, 13 Ƥ Wilroy NR, 18 km SE Mullewa (WINC); 3 3, 4 Ƥ 35 km N Wubin (WINC).

Description

Description. Adult (Figs 66–73). Colour: Male: general colour ochraceous to orange-brown with brown to dark brown markings. Vertex with brown spots in vicinity of fovea; genal processes pale with brown infuscation at apices; antennal segments 1–2 dark brown; segment 3 brown, darker apically; segments 4–10 dark brown to black; pronotum pale with a pair of dark brown submedial markings; mesopraescutum with a pair of submedial dark brown markings; mesoscutum with a pair of very faint brown longitudinal submedial stripes; mesoscutellum brown; wings clear; legs with dorsal dark brown markings; fore and mid-tarsi dark brown to black, hind basitarsi ochraceous, distal segment of hind tarsi dark brown to black; abdominal tergites brown to dark brown; proctiger and subgenital plate ochraceous to orange-brown; parameres tipped with black; proximal segment of aedeagus dark brown to black, distal segment ochraceous to orange-brown. Female: as for male, except markings on pronotum and mesopraescutum more prominent, brown to dark brown; proctiger and subgenital plate with dark brown to black apices. Structure: measurements and ratios as in Tables 1–5. Antennae short, 1.17–1.40 times width of head; genal processes elongate, conical, separated at base and becoming increasingly divergent; anterior margin of vertex rounded from dorsal aspect, delineated from genal processes by prominent ridge; vertex with prominent medial suture; pronotum with prominent anterior, medial node; thorax weakly arched, head distinctly wider than pronotum and mesoscutum; fore wings elongate with broadly rounded apex; Rs long, mostly straight except distally, terminating short of wing apex; vein M 1 + 2 terminating well short of wing apex; cell m 1 short, broadly triangular, m 1 cell value 0.82–1.21; cell cu 1 short triangular, cu 1 cell value 1.48–2.31; radular areas thin, elongate in cells m 1, m 2 and cu 1; male terminalia as in Fig 93–95; proctiger thin, elongate without lateral expansions; parameres thin elongate, strongly curved inward towards apex. Female terminalia as in Fig 96; proctiger short with dorso-posterior margin sharply angled from lateral aspect and a distinctly upturned apical hook; subgenital plate broad, triangular from lateral aspect Nymph (Fig 74): Measurements and ratios as in Tables 6–7. Body chestnut-brown with dark brown markings. Eyes dark brown; head with anterior margin brown and submedial dark brown markings in vicinity of fovea; meso- and metathoracic depressions dark brown to black; caudal plate with dark brown to black markings delineating margins of abdominal tergites. Body elongate-ovate; anterior margin of head broad pointed medially; dorsum of body with a distinct medial longitudinal ridge; caudal plate with hind margin rounded.

Etymology

Etymology. Named after the host plant, Allocasuarina acutivalvis.

Distribution

Distribution. Recorded from near Nerren Nerren and Murchison River and throughout the inland “wheat-belt” region east to Wialki and south to Merredin in south-western Western Australia (Fig. 138). Host plant. Recorded from Allocasuarina acutivalvis (F.Muell.) L. Johnson.Allocasuarina acutivalvis occurs as a dioecious shrub to small tree, 3–8 m in lateritic to sandy soils in tall heath, open woodland and rocky hillsides from Nerren Nerren, N of Murchison River to Queen Victoria Spring and Zanthus in Western Australia (Wilson & Johnson 1989).

Discussion

Comments. Species of Acanthocasuarina are very close morphologically but can be differentiated by the following character states. In Ac. acutivalvis, Ac. campestris, Ac. diminutae, Ac. muellerianae and Ac. verticillatae genal processes and vertex are moderate in length and corresponding GCL:GC ratio moderate, and in Ac. tasmanica genal processes are short and vertex moderate in length and GCL:GC ratio is low; in Ac. acutivalvis, Ac. campestris, Ac. diminutae and Ac. muellerianae cubital cell moderately arched and cu 1 cell value moderate, and in Ac. tasmanica and Ac. verticillatae cubital cell is more strongly arched and cu 1 cell value low; in Ac. acutivalvis, Ac. campestris, Ac. diminutae, Ac. muellerianae, and Ac. tasmanica hind tibia moderate in length and TL:HW ratio low, and in Ac. verticillatae hind tibia longer and TL:HW ratio high; in Ac. acutivalvis, Ac. campestris and Ac. muellerianae male parameres thin and elongate, in Ac. diminutae a little shorter (moderate in length) and broader, in Ac. tasmanica short and broad and Ac. verticillatae short, broad and with posterior lobe; in Ac. acutivalvis and Ac. verticillatae dorso-posterior margin of female proctiger strongly angled when viewed from lateral aspect, posterior margin rather straight and terminates in prominent apical hook (more prominent in Ac. acutivalvis), and in Ac. campestris, Ac. diminutae, Ac. muellerianae and Ac. tasmanica female dorso-posterior margin rounded from lateral aspect with less prominent upturned apical process.

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: 28-30. doi
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