A revision of Nearctic species of the genus Tomoglossa Kraatz, 1856 (Coleoptera: Staphylinidae: Aleocharinae)
Author
Gusarov, Vladimir I.
text
Zootaxa
2002
2002-04-24
30
1
19
journal article
http://doi.org/10.5281/zenodo.4619813
a3b1a6f6-898c-4c71-afb7-b3cc5b59ce85
11755326
4619813
B36587A1-248A-4194-8424-46C9BBA15606
5
.
Tomoglossa floridana
Gusarov
,
sp. nov.
(
Figs. 33
,
43
46
)
Type material:
holotype
,,
UNITED STATES
:
Florida
:
Highlands Co.
, W
Archbold Biological Station
, [
27
º
11
'N
81
º
20
'W
], “
sphagnum ex pond
”,
21
.i.
1975
(
W. Suter
) (
FMNH
)
.
Diagnosis.
Compared to all other Nearctic species of
Tomoglossa
,
T. floridana
is the smallest and has shorter antennae with more transverse articles
410
(
Figs.
2933
).
Tomoglossa floridana
also differs from
T. decora
and
T. ornatella
in having different shape of spermatheca (especially the umbiculus) (
Figs. 45
,
27
,
36
) and smaller female accessory sclerite (
Figs. 46
,
28
,
37
).
Description.
Length
1.6 mm
. Body and appendages reddish yellow; head and abdominal tergum VI dark brown; elytra brownish yellow with apical third yellow.
Head transverse, surface on disk glossy, with weak reticulate microsculpture, with strong punctures, distance between them equal to their diameter. Antennal article
2
longer than article 3, 4
10
transverse, last article shorter than
9
and
10
combined (
Fig.
33
).
Pronotum transverse, width to length ratio
0.37 mm
:
0.27 mm
, wider than head (pronotum width to head width ratio
0.37 mm
:
0.30 mm
); surface glossy, with weak reticulate microsculpture, puncturation finer than on head, distance between punctures equals their diameter. Elytra measured from humeral angle shorter than wide (
0.33 mm
:
0.37 mm
), surface glossy, with weak reticulate microsculpture, puncturation finer and denser than on pronotum, distance between punctures equals ½
1
their diameter.
Abdominal terga glossy, without microsculpture, and with fine and sparse puncturation, puncturation becoming finer towards abdominal apex, on terga IIIV distance between punctures within rows equal to their diameter and between rows
23
times their diameter, on tergum VI distance between punctures within rows equal to
12
times their diameter and between rows
24
times their diameter, on tergum VII distance between punctures within rows equal to
23
times their diameter and between rows equal to
46
times their diameter. Tergum VII with white edge.
FIGURES 4346.
Details of
Tomoglossa
floridana
Gusarov
,
sp. nov.
(holotype). 43, female tergum VIII; 44, female sternum VIII; 45, spermatheca; 46, female accessory sclerite. U umbilicus. Scale bar 0.2 mm (4344), 0.1 mm (4546).
Spermatheca with wide umbilicus (
Fig.
45
). Female accessory sclerite small (
Fig.
46
).
Distribution.
Known only from Florida (
Fig.
47
).
Natural History.
According to the label, the
holotype
specimen was collected in moss (
Sphagnum
) from a pond.