Lepisiota omeri Taylor new species
Type location Sudan,
worker only described .
WORKER
DESCRIPTION: Head in full face view with
sides
forward of the eyes near parallel, clypeus subcarinate, anterior margin
convex, occipitum evenly arcuate; eyes stringly convex, breaking the
outline of the head and set almost entirely behind the mid-point;
median ocellus set well back from posterior level of the eyes; whole
insect elongate, alitrunk particularly long and narrow; propodeum with
acute but broadly based spines; petiole with lateral denticles; almost
without pubescence or erect hairs, except on the front of the head and
posterior segments of the gaster; shiny chestnut brown, head slightly
darker, especially the occiput.
TL ca 3.0 mm, HW 0.6, HL 0.82, CI 82, SL
1.25, SI 220 , PW 0.42 AL 1.3, hind tibia 1.5; EL/HW 0.37
Name in recognition of the collector, Miss Awatif Omer.
Clearly related to Lepisiota
gracilicornis
but that is larger, has a shorter rounder head, proportionally shorter
appendages, smaller eyes, only a weakly shiny appearance and the
colour, although variable, is from brown to near black.
Specimens deposited in the Oxford University Museum of
Natural History.
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Oxford University Museum
specimens
Lepisiota omeri
B Taylor det.
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Sudan
A Omer
2009.13
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2009
Haj Abd Allah
13°58'0"N
33°34'60"E
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Middle Sudan
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1
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Lepisiota omeri
B Taylor det. |
Sudan
Z Mahmoud
2009-31
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Ad Damazin
11°46'31" N
34°21'10" E
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Hand collected
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1
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Lepisiota omeri
B Taylor det. |
Sudan
Awatif Omer
21
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2012
Khartoum
15°36.643' N
32°32.500' E
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2
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The
photomontage is of the holotype worker collected
in Sudan, Haj Abd Allah, Middle Sudan, 13°58'0"N 33°34'60"E, by
Awatif Omer, hand collection, 2009.
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The
photomontage is of a second worker from Sudan, Ad Damazin,
collector Zuheir
Mahmoud (2009).
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The
photomontage is of a third worker collected
in Sudan, Khartoum, by ZAwatif Omer, (2013.21).
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Lepisota omeri n sp Sudan |
Lepisiota
gracilicornis |
Lepisiota
aegyptiaca |
Base colour chestnut brown;
appendages paler, occiput darker |
Base colour brown-black; antenna and
tarsi/tibiae orange-brown; anterior of head and mandibles also paler to
orange |
Base colour dark chestnut, lighter
on pronotum and head, antennae and tibiae/tarsi yellow-brown |
TL ca 3.0 mm; HW 0.6 HL 0.82 PW 0.42
AL 1.3 Hind tibia 1.5; CI 82 SI 192 EL/HW 0.37 PW/AL 0.32 |
TL ca 3.7 mm (range 2.5-5); HW 0.7
HL 0.7 PW 0.5 AL 1.5 Hind tibia 1.6; CI 85 SI 194-200 EL/HW 0.32 |
TL ca 3.2 mm (type 2.3 mm?); HW 0.58
HL 0.7 PW 0.53 AL 1.2 Hind tibia 1.2; CI 80 SI 173 EL/HW 0.33 |
Median ocellus set well back from
posterior level of the eyes |
Median ocellus set at about the
posterior level of the eyes |
Median ocellus set well back from
posterior level of the eyes |
Propodeal spines quite long and
apically narrowed, petiole with apex concave and sharp laterally not
developed into distinct teeth |
Propodeal spines quite long, petiole
with moderate apical teeth |
Propodeal spines realtively short,
petiole without apical teeth |
Tibiae distinctly longer than
alitrunk |
Tibiae slightly longer than the
alitrunk |
Tibiae about the same length as the
alitrunk |
Scape with slight apical broadening;
head almost without pubescence |
Scape distinctly broadening in
apical fifth; head with quite abundant short pubescence |
Scape weakly broadening in apical
quarter; head with sparse short pubescence |
Overall vary shiny, head slightly
dull |
Relatively dull due to very fine
reticulate sculpturation |
Shiny with polished areas |
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The photomontage is
of specimens of Lepisiota
gracilicornis collected in Sudan, at Port Sudan, Sudan
1.18, by Awatif Omer, 2005.
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The photomontage is
of specimens of Lepisiota
aegyptiaca from Egypt, Sinai, Nakeb, 13.iii.1982, collector J
Kugler; sent to BT by Armin Ionescu, Tel Aviv University. The gaster is
fully shiny, the specimen shown has a small amount of glue on the first
tergite.
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