A new genus and twenty new species of Australian jumping plant-lice (Psylloidea: Triozidae) from Eremophila and Myoporum (Scrophulariaceae: Myoporeae)
Author
Taylor, Gary S.
Author
Fagan-Jeffries, Erinn P.
Author
Austin, Andy D.
text
Zootaxa
2016
4073
1
1
84
journal article
37193
10.11646/zootaxa.4073.1.1
8d4152c8-c67a-4d0c-92e7-266e6e31ad04
1175-5326
270709
A502D3A2-C070-4E9D-9F55-BA07C731FCF3
Myotrioza interioris
Taylor
,
sp. nov.
(
Figs 91–98
,
125–126
,
133
;
Tables 1–8
)
Types
.
AUSTRALIA
, Western
Australia
:
Holotype
:
1 ♂
(slide), Charles Darwin Reserve, N of Wanarra Rd to Samphire Camp, -
29.55080°S
,
116.96463°E
,
254 m
,
24 Sep 2009
, C. Symonds,
Eremophila pantonii
, WA0909 L46 H100 (WAM).
Paratypes
: 1 ♀ (slide) same data as
holotype
(WAM);
1 ♂
,1 ♀ (slide) Credo Station Reserve, W,
30º12.355'S
,
120º42.360'E
, G.S. Taylor,
5.ix.2011
, swept
Eremophila
sp., 2011 172, CR53 (WINC);
2 ♂
(dried) Credo Bush Blitz,
30º12'S
,
120º42'E
, M. Cheng,
5.ix.2011
, swept
Eremophila
(WAM);
1 ♂
(dried) Credo Station Reserve, -
30º13'18''S
,
120º41'5''E
, M. Cheng & C. Symonds, swept
Eremophila
MC042 (WAM).
Description. Adult
(
Figs 91–94
). Colouration. Male: [specimen in ethanol] Dark brown to black: vertex dark brown; eyes red; antennal segments 8–10 progressively dark brown to black; pronotum, mesopraescutum and mesoscutum dark brown to black; fore and hind wings clear; fore wing veins R+M+Cu, R and R1 pigmented slightly darker brown than other wing veins; legs pale yellow-brown with dark brown to black dorsal infuscation; abdominal tergites 1–5 dark brown; sternites dark brown each with a transverse yellow-brown suffusion; proctiger, subgenital plate and parameres dark brown. Female: [specimens in ethanol] greenish yellow with brown markings; vertex pale yellow-brown with brown medial marking in vicinity of fovea; pronotum with pale medial marking; mesopraescutum with a pair of brown longitudinal markings; mesoscutum with 2 pairs brown longitudinal markings; mesoscutellum pale yellow; abdominal tergites brown each with a transverse pale greenish-yellow suffusion; sternites brown each with a transverse pale greenish-yellow suffusion; proctiger yellow-brown with brown apex; hooked setae tipped black; subgenital plate pale yellow-brown with apex dark brown.
Structure. Measurements as in
Tables 4–8
. Body large, compact (
Figs 91–94
). Head (
Figs 95–96
); vertex with weak medial suture, moderately sunk in vicinity of fovea; genal processes moderate in length, 0.36–0.45 times as long as vertex; antenna short, 0.82–0.88 times width of head, with 4–7 subapical rhinarium on segment 3, 3–5 on segment 4, 1–2 on segment 6 and a single subapical rhinarium on each of segments 8 and 9; segment 10 with a long bluntly rounded and a short bluntly rounded seta. Fore wing (
Figs 97–98
) 4.26–5.44 times as long as head width, 2.51–2.76 times as long as wide, short, broad with slightly pointed apex; vein Rs evenly curved to costa, terminating well short of wing apex, considerably shorter than vein M, RsM: 0.78–0.84; medial cell short, smaller than cubital cell; veins M1+2 and M3+4 short, broadly diverging with corresponding low m1 cell value: 1.15–1.27; veins Cu1a and Cu1b short, each widely divergent with corresponding low cu1 cell value: 1.31–1.62; metatibia 0.89– 0.93 times as long as width of head, longer than metafemur, with 2 inner and 1 outer sclerotised apical spurs. Male terminalia (
Figs 125–126
); proctiger very short, conoid, without expanded lateral lobes; subgenital plate broadly rounded; parameres (
Fig. 126
) very short, broad with incurved sclerotised apices; distal portion of aedeagus moderate in length, with asymmetrical apical expansion (
Fig. 125
). Female terminalia (
Fig. 133
): proctiger short, triangular, posterior margin flat from lateral aspect and with weakly sclerotised apex; subgenital plate, triangular with tapering, weakly sclerotised apex; distal portion of proctiger with long pale setae and dense brush of hooked setae; subgenital plate with sparse long setae.
FIGURES 91–98.
Myotrioza interioris
,
sp. nov.
(91), habitus, male, (dorsal aspect); (92), habitus, female (dorsal aspect); (93), habitus, male (lateral aspect); (94), habitus, female (lateral aspect); (95), head, male (dorsal aspect, from slide); (96), head, female (dorsal aspect); (97), fore wing, male (from slide); (98), fore wing, female. Scale = 1.0 mm.
Comments.
Myotrioza interioris
sp. nov.
can be distinguished by the following unique combination of characters: habitus as in
Figs 91–94
, antenna with supernumerary rhinaria (4–7 rhinaria on segment 3, 3–5 on segment 4 and 1–2 on segment 6), fore wing short, broad with slightly pointed apex, fore wing veins R+M+Cu, R and R1 pigmented little darker than other wing veins, Rs considerably shorter than vein M (
Figs 97–98
), female proctiger short, high with subapical dense field of hooked setae, valvula ventralis little curved, ventral profile of female subgenital plate flat (
Fig. 133
), male proctiger conoid, with lateral lobes expanded distally, aedeagus long, paramere broad, blade-like with rounded apex (
Figs 125–126
), host
Eremophila
, with eremean distribution. For diagnosis from closely related species, see Comments for
M. desertorum
sp. nov.
Etymology.
Named after
interior
, referring to the eremean distribution of the species.
Host-plant association and distribution
. (
Tables 2–3
).
Myotrioza interioris
sp. nov.
is recorded from an undetermined species of
Eremophila
at Credo Station Reserve and from
Eremophila pantonii
from Charles Darwin Reserve, Western
Australia
. It is one of 11 species of
Myotrioza
gen. nov.
and 17 species of
Triozidae
recorded for Western
Australia
and is considered endemic to that state. It is one of 3 species of
Myotrioza
gen. nov.
, namely
M. darwinensis
sp. nov.
,
M. interioris
sp. nov.
and
M. pantonii
sp. nov.
from
E. pantonii
. For distribution of
E. pantonii
, refer to
M. darwinensis
sp. nov.