Swezeyana atra

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This page should be cited as follows (rationale):
Percy D (2018) Revision of the Hawaiian psyllid genus Swezeyana, with descriptions of seven new species (Hemiptera, Psylloidea, Triozidae). ZooKeys (758) : 75–113, doi. Versioned wiki page: 2018-05-15, version 167489, https://species-id.net/w/index.php?title=Swezeyana_atra&oldid=167489 , contributors (alphabetical order): Pensoft Publishers.

Citation formats to copy and paste

BibTeX:

@article{Percy2018ZooKeys,
author = {Percy, Diana M.},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Revision of the Hawaiian psyllid genus Swezeyana, with descriptions of seven new species (Hemiptera, Psylloidea, Triozidae)},
year = {2018},
volume = {},
issue = {758},
pages = {75--113},
doi = {10.3897/zookeys.758.23019},
url = {https://zookeys.pensoft.net/articles.php?id=23019},
note = {Versioned wiki page: 2018-05-15, version 167489, https://species-id.net/w/index.php?title=Swezeyana_atra&oldid=167489 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - Revision of the Hawaiian psyllid genus Swezeyana, with descriptions of seven new species (Hemiptera, Psylloidea, Triozidae)
A1 - Percy D
Y1 - 2018
JF - ZooKeys
JA -
VL -
IS - 758
UR - http://dx.doi.org/10.3897/zookeys.758.23019
SP - 75
EP - 113
PB - Pensoft Publishers
M1 - Versioned wiki page: 2018-05-15, version 167489, https://species-id.net/w/index.php?title=Swezeyana_atra&oldid=167489 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.758.23019

Wikipedia/ Citizendium:

<ref name="Percy2018ZooKeys">{{Citation
| author = Percy D
| title = Revision of the Hawaiian psyllid genus Swezeyana, with descriptions of seven new species (Hemiptera, Psylloidea, Triozidae)
| journal = ZooKeys
| year = 2018
| volume =
| issue = 758
| pages = 75--113
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.758.23019
| url = https://zookeys.pensoft.net/articles.php?id=23019
| pmc =
| accessdate = 2020-11-12

}} Versioned wiki page: 2018-05-15, version 167489, https://species-id.net/w/index.php?title=Swezeyana_atra&oldid=167489 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Hemiptera
Familia: Triozidae
Genus: Swezeyana

Name

Swezeyana atra Percy, 2018 sp. n.Wikispecies linkZooBank linkPensoft Profile

Diagnosis

Medium sized, dark coloured species, with fore wing membrane unpatterned, antennae medium short, genal processes long, paramere short, and female proctiger strongly convex apically.

Description

Adult. General body colour brown to black, particularly dark on the dorsum of head and thorax. Fore wing membrane generally uniformly clear or slightly fuscous, with fuscous-brown cloud usually present around vein R and basal dorsal claval margin (Fig. 1C). Fore wing apex acute; pseudopterostigma relatively long (Fig. 4S), typically no cross pseudovein in cell r1 (one individual seen with partial cross vein); surface spinules relatively sparsely distributed but denser towards wing margin, few or absent from c+sc; medium long setae on ventral margin and medium short to short setae on veins and dorsal margin. Antennae medium short (ratio AL:HW 1.30) (Fig. 4B–C); genal processes medium long (GP < 0.40 mm, ratio HW:GP > 1.40) and slightly upturned at apices (Fig. 4B); medium short to short setae on vertex and thorax. Meracanthus extremely small (Fig. 4Q), genual spine reduced or absent (Fig. 4R). Male terminalia (Fig. 4F–I): paramere short (ratio PL:HW < 0.20), tapering to slightly anteriorly projecting apex with two short stout setae; distal aedeagus segment long relative to paramere (ratio PL:AEL 0.92–1.10), apex developed into a large rounded hook with blunt apex. Female terminalia (Fig. 4J–P): proctiger dorsal surface strongly convex apically, apex broad, blunt, bearing medial cleft and fringed with stout setae, anal ring medium long (ratio FP:RL > 2.00), without or with reduced head compartment at proximal end, distal portion of ring margin smooth; subgenital plate slightly convex with short medial cleft (Fig. 4N–O).
Egg. Unknown.
Immature. Unknown.

Host plant

Planchonella sandwicensis.

Distribution

Oahu. Only known from the Waianae Mountains.

Etymology

Named for the dark body colouration, especially the head and thorax (adjective in the nominative singular).

Comments

This is the darkest of the Swezeyana species. It has the shortest paramere in the elongagena group, with the shape more similar to those in the reticulata group. The distribution in the Waianae Mountains is shared with S. oahuensis, and the molecular topology places these two species as sister taxa but with weak bootstrap support (Fig. 2).

Material examined

Holotype male (slide mounted), Waianae Mnts, Oahu, USA, N21.4585, W-158.0973, ex Planchonella sandwicensis, 5 July 2014, “Hi65-14” D. Percy leg. (BMNH). Paratype (slide mounted) 1f, as for holotype (BMNH). Other material: 1m 1f, Puu Hapapa, Central Waianae Mnts, Oahu, USA, N21.4666, W-158.1029, ex Planchonella sandwicensis, 17 May 2014, “KM14-14” K. Magnacca leg. (BMNH).

Gene sequences

MH001521 (COI) MH001527 (cytB) (Hi65-14); MH001522 (COI) MH001528 (cytB) (KM14-14).

Original Description

  • Percy, D; 2018: Revision of the Hawaiian psyllid genus Swezeyana, with descriptions of seven new species (Hemiptera, Psylloidea, Triozidae) ZooKeys, (758): 75-113. doi

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