A New Click Beetle Genus from Chilean Temperate Forests, ALYMA (Coleoptera: Elateridae: Pomachiliini)
Author
Arias, Elizabeth T.
text
The Coleopterists Bulletin
2004
2004-09-30
58
3
413
427
http://dx.doi.org/10.1649/523
journal article
10.1649/523
1938-4394
5345219
Alyma calafquenensis
Arias
,
new species
(
Figs. 8
,
16
,
24
,
29
,
34
)
Description.
Body: elongate; brown; integument dull; vestiture thick pale yellowish, semidecumbent; length
6.1 mm
, width
2.1 mm
; PEI: 2.6.
Head
: convex; frontoclypeal carina region sloping downward; clypeus and labrum with long setae, decumbent; labrum slightly convex, 2.0
3
as long as wide; antennomera 2 through 8 serrate, antennomere 9 exceeding pronotal posterior angles, [AP: 7-6-9-9-12-9-9-9-9-12] (
Fig. 8
).
Prothorax
: strongly convex medially; areolate, sides parallel; base curved; pronotal posterior angles straight; prosternal lobe strongly bent; prosternum strongly convex; pronotosternal lobe
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420 marginate broadly curved; pronotosternal suture sinuate; hypomeron rugulose, uni-excavate, apically not marginate, antennal groove present (
Fig. 16
); prosternum at procoxae marginate, and slightly elevated; procoxal distance 2.0
3
procoxal diameter, pronotosternal spine length 0.7
3
procoxal diameter.
Fig. 4.
Female genitalia of
Alyma ariasvillegasai
(Illustration Nancy V. Arias)
. Scale bar
¼
1.0 mm.
Scutellum
: U-shaped, vestiture semi-decumbent, long, yellow; mesocoxae separated by 0.3
3
mesocoxal diameter; posterior margin of mesosternal cavity extending posteriorly 0.4
3
mesocoxal diameter.
Elytra
: interstria rugulose, slightly convex; striae pitted, pits irregular; interstria flat; elytral apex rounded and crenulate.
Leg
: yellowish brown; tarsomere 4 similar in length to tarsomere 2, [TP: 25-19-18-23-15], (
Fig. 24
).
Male genitalia
: aedeagus 2.5
3
as long as wide; median lobe spoon shaped; (
Fig. 29
).
Type Material.
Holotype
: male
CHILE
,
Calafquén
,
25.I.1986
,
L.E. Peña
,
6.1 mm
in length, [
ETA
].
Distribution.
Calafquén, IX Region,
Chile
, (
Fig. 34
).
Remarks.
Alyma calafquenensis
can be recognized by its dull integument, brown color, yellowish pale and thick vestiture semi-decumbent, and straight posterior pronotal angles.
Etymology.
This species is named after the placed where it was collected.