1 |
Mandibles
always with 5 teeth; mesothorax not constricted immediately behind
pronotum, scapes usually lacking erect hairs |
2 |
-- |
Mandibles typically with
6-7
teeth; propodeum always without erect hairs (?)
|
11 |
2 |
Propodeum
without erect hairs;
erect hairs on head scattered across
surface; dorsal face of propodeum broad and gently rounded; femora and
tibiae with large erect hairs |
Pseudoparatrechina
- 3 |
-- |
One
pair of erect hairs on propodeum; erect hairs on the head form a
pattern of 4 on the posterior margin and 6-7 rows from the posterior
margin to the clypeal margin; dorsal face of propodeum typically short
and angular; femora and tibiae without erect hairs
|
Paraparatrechina - 4 |
. |
Pseudoparatrechina |
. |
3 |
TL
2.5-3.0 mm, CI 82, SI
235, very slender with elongated legs and antennae; alitrunk profile
sinuous with the mesonotum shallowly concave and propodeum near flat to
very weakly convex; pale smoky brown
with paler appendages often with purple irridescence; erect hairs long
and blunt |
Pantropical
tramp - Pseudoparatrechina
longicornis |
--
|
TL ca 2.5 mm; propodeum profile more convex; no erect
hairs
anywhere on the alitrunk; the eyes near circular
rather than ovoid; in full face view, the head has convex sides
rather than the usual near parallel sides; raised metanotal spiracles,
set behind the weakly convex mesonotum
(shallowly concave in longicornis);
the propodeal spiracle is set in the centre of the side, on longicornis it is set almost on the
border of the declivity |
Congo
Basin & Sudan - Pseudoparatrechina hagemanni |
-- |
TL
2.6-3.2 mm, CI 71-79, SI
198-220, readily separated by the presence of short erect hairs on the
scapes; also a distinctly convex profile to the propodeum
|
Southern
Africa
tramp - Pseudoparatrechina
zanjensis |
. |
Paraparatrechina |
. |
4 |
Alitrunk
elongate in lateral view, pronotum gently rising towards mesonotum; SI
> 150 |
5 |
-- |
Alitrunk compact in
lateral view, pronotum steeply rising towards mesonotum, SI variable
all <140 |
6 |
5 |
SL >0.72 mm; tibiae and protrochanter
same dark brown as alitrunk, meso/metatrochanters may be lighter;
mandibles and antennae typically same brown as head
TL 1.41-2.6 mm, HL 0.54-0.64, HW 0.48-0.50, CI
76-86, SL 0.73-0.83, SI 157-172 |
Gabon
& Uganda
- Paraparatrechina
splendida
|
-- |
SL <0.72 mm; tibiae whitish to
brownish-yellow, all trochanters white; mandibles and antennae
yellowish-brown, contrasting with brown head; pubescence golden
TL 1.73-2.16 mm, HL 0.49-0.53, HW 0.38-0.43, CI
75-86, SL 0.63-0.69, SI 158-173 |
Cameroun, CAR, Gabon - Paraparatrechina
concinnata |
6 |
Yellow to
yellowish-brown, gaster may be darker |
7 |
-- |
Overall brown to dark
brown |
10 |
7
|
Gaster brown, contrasting with yellow head and alitrunk
TL 1.19-1.57 mm, HL 0.38-0.41, HW 0.34-0.36, CI
87-92, SL 0.38-0.43, SI 108-120 |
Angola,
Gabon & Kenya - Paraparatrechina
umbranatis |
-- |
Overall yellow to
yellowish-brown |
8
|
8 |
TL
1.3 mm; shiny
yellow-orange; head rectangular with near straight anterior margin;
scapes slender and just surpassing the occiput
On this website since 1978, posted as Paratrechina
minima on 18 January 2010
|
Nigeria
- Paraparatrechina
minima
new species |
. |
Listed specimens include
mine from Nigeria
TL 1.20-1.44, HL 0.36-0.38, HW 0.32-0.34, CI
85-94, SL 0.34-0.38, SI 102-115 |
Ghana
& Nigeria
- Paraparatrechina
gnoma
|
-- |
Larger HL & SL > 0.4 mm TL |
9 |
9
|
Head and
scapes with appressed pubescence; metanotum well
defined with raised spiracles
TL 1.40-1.75, HL 0.45-0.46, HW 0.37-0.39, CI
80-87, SL 0.41-0.45, SI 105-120 |
Cameroun
(Mt Cameroon only)
- Paraparatrechina oreias
|
-- |
TL
1.5 mm; brown-yellow; submatt; scapes
exceeding occiput by about 1/4 of their length; with coarse short
pubescence giving a shaggy appearance; erect hairs long, yellow,
thickish, 4 pairs on the alitrunk
|
. |
. |
LaPolla
& Cheng state TL 1.45-1.65 mm, HL 0.46-0.50, HW 0.37-0.42,
CI
77-87, SL 0.43-0.48, SI 110-122 |
West Africa & Congo
Basin - Paraparatrechina
subtilis |
10 |
Brown,
near black, dorsum of alitrunk
and gaster lighter; tarsi, mandibles and petiole pale; matt; with
distinct pruinose pubescence; scapes exceeding occiput by about 1/3 of
their length; propodeum profile an acute angle with the dorsum much
shorter than the declivity; my TL 1.56 mm, HL 0.47, HW 0.39, SL 0.54,
PW 0.28
|
. |
. |
LaPolla & Cheng
state
white coloured pubescence
covering body
TL 1.41-1.89 mm, HL 0.39-0.47, HW 0.35-0.42,
CI
81-93, SL 0.48-0.53, SI 119-140 |
West
Africa
& Congo Basin - Paraparatrechina
albipes |
-- |
Antennae and mandibles
yellowish-brown contrasting with
rest; golden pubescence covering body
TL
ca 1.2-1.6 mm, HL 0.37-0.41, HW 0.32-0.37, CI 81-94, SL 0.35-0.46, SI
102-124 |
Ghana, Cameroun, Gabon
& Kenya - Paraparatrechina
brunnella
|
. |
Mandibles
typically with 6-7 teeth |
. |
11 |
Mesothorax
constricted behind pronotum; eyes largely above midlength of head;
mandibles with distinct striations across anterior surface
TL 3.6-4.0 mm, CI 82, SI
154; mandibles matt and very densely striated, clypeus carinate and
strongly vaulted, large eyes in posterior third of face, scape
surpassing occipitum by about one-third its own length; red brown, legs
and antennae reddish-yellow; overall matt and densely
reticulate-punctate all over; erect hairs large and pointed but
generally scarce |
Central
African
Republic & Zaïre - Prenolepis
kohli |
-- |
Mesothorax
not constricted immediately behind the pronotum; eyes set with about
half their length each side of the mid-point of the head; mandibles
without striations across anterior surface |
Paratrechina - 12 |
. |
Paratrechina
(the
Lapolla et
al. Nylanderia) |
. |
*
|
Queen and male only
adequately described (see species page)
Possible worker shown, TL ca 5 mm
|
waelbroecki
|
12 |
Propodeum in profile
raised and rounded (gibbous); with the dorsum and declivity about equal
in length
|
13 |
-- |
Propodeum in profile angular or shallowly
curved; with the dorsum always much shorter than the declivity
|
19 |
13 |
Base colour yellow or
yellowish brown
|
14 |
-- |
Base colour darker brown to near black
|
15 |
14 |
TL ca 2.2-2.5 mm, head
relatively short; legs and scapes the same colour as the body, and much
brighter golden-yellow; erect hairs relatively stout and dark
|
Gabon
& Cameroon luteafra |
-- |
TL
ca 2.2 mm; scape surpasses occiput by more
than half its length; colour red-brown, shiny; head ovoid with near
straight occiput; erect hairs thin and pale
|
. |
. |
|
São
Thomé, Gabon & Ivory Coast - incallida |
15
|
alitrunk with very short pilosity
|
Gabon
& Cameroun brevisetula |
--
|
Alitrunk with longer
pilosity |
16 |
16 |
TL
> 2.5 mm |
17 |
-- |
TL < 2.5 mm |
18 |
17
|
TL 2.8-3.3; head, alitrunk and gaster a solid dark
reddish-brown; scape length between 0.95–1.04 mm |
Kenya
- silvula |
--
|
TL 2.6-3.0 mm; dark brown with rugulose head and alitrunk
|
Angola
north to Ghana impolita
|
18 |
TL
ca 2.0 mm; antennal scape surpassing occiput
by some 1/3 of its length; head smooth & shiny; black with a
brown tint; bristly |
Cameroun
&
Congo Basin - lepida |
-- |
TL
ca 2.0 mm; antennal scape surpassing occiput
by about 1/5 of its length; head finely striato-reticulate; lateral
pronotum rugulose; gaster
distinctly striate; pitch black,
appendages brown, palps & tarsi whitish; propodeum profile angular |
. |
. |
|
Fernando
Po I., Cameroun &
Congo Basin - mendica |
--
|
TL
generally > 2.0 mm; metanotum with raised transverse welt; propodeum
very humped, with small
tooth at base of declivity; dark brown, shiny |
West
Africa & Congo Basin, east to Kenya - grisoni |
. |
Propodeum profile
shallowly convex or angular, dorsum much shorter than declivity
|
. |
19 |
TL 2.5-3.0 mm;
clypeus quite
strongly scalloped; eye oval longer than wide; propodeum with dorsum
shorter than declivity; whole body with obtuse, quite coarse erect dark
brown hairs; abundant pubescence; dark brown to blackish; mandibles
reddish brown, legs and antennae dark brown |
pantropical
tramp (Congo Basin; Pemba Is., Tanzania) - bourbonica |
-- |
TL < 2.5 mm |
20 |
.
|
Medium
sized TL < 2.5 mm |
. |
20 |
TL 2.0-2.5 mm; HL >
HW; with only sparse pubescence on gaster and coarse erect
hairs; overall brown, dark on head and gaster
Less than 10
erect hairs on the scape; eyes without visible micropilosity |
South Africa &
Egypt (pan-global tramp, in northern European hot-houses) - vividula |
-- |
More than 10 erect hairs on each scape
|
21 |
21 |
Base
colour brown to dark brown |
22 |
-- |
Base colour yellow brown
or paler
|
23 |
22 |
Base
colour brown to dark brown; TL
2.2 mm; propodeum a fairly smooth curve, head with convex sides |
East
Africa, Congo, Ghana & Nigeria - umbella
|
-- |
TL ca 1.85 mm, HL 0.46, HW 0.31, SL 0.46, PW 0.27; CI
72, SI 138; head with near parallel sides
|
Congo - new
species
|
23 |
Eyes
set close to margins of head in fullface view
|
24 |
-- |
Eyes distinctly distant
from margins of head in fullface view
|
25 |
24 |
TL 1.8-2.0 mm; mesocoxae
and metacoxae
lighter than procoxae
|
Ivory
Coast & Nigeria - scintilla |
-- |
TL ca 2.5 mm; HW = HL
= SL; head in full
face view with convex sides and eyes almost interrupting the
margins;
darker at least
red-brown, alitrunk lighter
Note P. boltoni is a junior synonym
|
West Africa - nimba |
25 |
TL 2.2 mm; matt, head a little shiny; colour generally
yellow brown; propodeum with
short dorsum and much longer near vertical declivity, transition
weakly angular; erect pilosity long, fine and yellow |
Congo
Basin - weissi |
-- |
Major worker TL ca
3.7 (distended gaster) HW 0.78 HL 0.88 EL 0.21 SL 0.87 PW 0.60 CI 94 SI
115; minor worker TL 2.2-2.6 mm; HL
>
HW; with noticeable pubescence of gaster and fine erect hairs; somewhat
darker yellow-brown;
eyes with visible micropilosity
|
North Africa, Egypt &
Sudan
- jaegerskioeldi |
-- |
TL ca 2.7 mm, HL 0.71, HW 0.61, SL 0.60; head
in full face view with a more
evenly ovoid shape.
On natalensis the type
specimen is a bizarre colour seemingly due to a veneer of contaminant;
the size is almost identical
|
Tanzania
& Zimbabwe - zelotypa
southern
Africa - natalensis |
-- |
TL 2.3-2.8, HW 0.55-0.64, HL 0.67-0.74, SL 0.73-0.80, PW 0.41-0.47; CI 82-87, SI
123-133; occiput distinctly medianly incurved, sides of head strongly curved; golden-yellow with contrasting dark erect hairs
|
Tanzania
- usambarica |