The strongly dimorphic bark beetle genus Pseudomicracis (Coleoptera, Scolytinae) in Madagascar-an integrated taxonomic revision
Author
Jordal, Bjarte H.
text
Zootaxa
2022
2022-04-11
5125
3
325
343
journal article
56069
10.11646/zootaxa.5125.3.5
da274829-479f-4ea1-8f2e-1e598de786b8
1175-5326
6443876
4645A035-17E6-488C-8F10-DA66E146487D
Pseudomicracis tomicoides
(
Schedl, 1961
)
(
Figs 36, 39, 42
,
45, 48, 51
)
Micracidendron tomicoides
Schedl, 1961: 141
Saurotocis tomicoides
(
Schedl, 1961
)
, combination by
Wood (1984)
Pseudomicracis tomicoides
(
Schedl, 1961
)
, combination by
Jordal (2021c)
Type material.
Holotype
, female:
Madagascar
,
Perinet
,
23.xi.1952
,
Dr K.E. Schedl
[
MNHN
]
.
Allotype
male and
paratypes
: same data as holotype [
MNHN
,
NHMW
]
.
Diagnosis.
Length
2.6–2.9 mm
, 2.3–2.5 × as long as wide. Antennal club almost three times as long as wide, sutures not evident, basal segment shiny, very short;
male
declivity impressed, demarcated on each side by 5–7 large tubercles; posterior margin of elytra with a distinct rim; interstriae with densely placed and strongly confused setae;
female
frons with dense, long, soft setae; antennal scapus short, with a very long and thin dorsal spike with long setae longer than spike.
Distribution and biology.
Madagascar
. Only known from the
type
locality where it was dissected from
Ocotea cymosa
and
O. laens
(Lauraceae)
branches about
4–5 cm
diameter (
Schedl 1977
). One male may accept one, two or
three females
, copulate with these just inside the entrance, and each female excavate longitudinal egg tunnels in the phloem.