A new genus of leaf beetle (Coleoptera: Chrysomelidae: Eumolpinae) from Three Kings Islands, New Zealand
Author
Nadein, Konstantin S.
Author
Leschen, Richard A. B.
text
Zootaxa
2017
4294
2
271
280
journal article
32647
10.11646/zootaxa.4294.2.9
5b03347b-4db9-473a-84c4-d653cfea6b6c
1175-5326
831888
7EAE9AD8-F840-40DB-843C-D1DD80568E76
Tyrannomolpus rex
spec. nov.
Figs 1–31
.
Description.
Length—
9.7–11.9 mm
(x =
11.1 mm
; n = 5), greatest depth at abdomen -
3.6–3.8 mm
. Dorsum (
Fig. 1
) shining, with dark bronzy-greenish luster; antennae and legs reddish-brown; underside brownish with metallic luster. Vertex and frons (
Fig. 3
) covered with large and dense punctures with some interstices wrinkled. Pronotum (
Fig. 9
) covered with punctures of different size, dense, not larger than those on head. Scutellary shield (
Fig. 14
) covered with small and sparse punctures. Elytral punctation (
Figs 15, 16
) larger than pronotal, setae sparse at disc and much denser at lateral sides and apical portion. Apical third of tibiae covered with dense and long yellowish setae. Aedeagus (
Figs 29–31
) long and broad, weakly depressed dorsoventrally, basal hood constitutes the half of aedeagal lenght, main body of penis gradually widened towards apex, apex nearly straight with well-developed, sharp triangular tip; in lateral view (
Fig. 30
) slightly curved, apical half with equal width, apex thin, apical tip acute. Spermatheca (
Fig. 28
) small, c-shaped, strongly curved and thick, proximal and distal parts of spermathecal capsule not delimited.
Etymology.
The species name is derived from "
rex
" (Latin—king), and refers to the only known locality of new genus, the Three Kings Islands.
Host.
A single specimen was collected at night from
Meryta sinclairii
(Hook. f.) Seem. (
Araliaceae
).
Distribution.
The Three Kings Islands, northwest of North Island of
New Zealand
.
Type
material.
The
type
material is deposited in the
New Zealand
Arthropod Collection,
Auckland
(
NZAC
).
Holotype
: male (
NZAC
): mounted on large card [left antennomere 11 with missing apex],”
Great Island
Three Kings
/ 1–
3.1.63
E. S. Gourley
/
Pilocolaspis
elephantopus
Gourley Det. E. S.
Gourley n. sp. 1963 [partly in
E. S. Gourley
hand] /
E.S. Gourley Acc.
1970
Ent. Div.
Paratypes
(
NZAC
): 1, male [pinned with abdomen removed and carded separately with genitalia missing],
Three Kings Is. Great I.
Nov. 70
NZ
.
Ent. Div. Ex.
/ Castaway Camp; 1, female [mounted dorsally, left antennomeres 8–11 and right antennomeres 9–11 missing, same but,
J. C. Watt
;
1 male
[completely dissected with parts on 2 cards and in 2 genitalia vials], same, but
G. Ramsay
,
on
Meryta
leaf at night [
G. Ramsay
, hand];
1 male
, same but,
Tasman
Valley / n. gen.
Colaspini
prob. not
Pilocolaspis
[
G. Kuschel
, hand].