Camponotus (Myrmotrema) perrisii
Forel
Type location Angola
(Camponotus foraminosus r. C. Perrisii
n. stirps, Forel 1886f: 177, major & minor workers & queen)
Malangé, Dr M Buchner - see below
subspecies
densipunctatus (Camponotus
(Myrmotrema) perrisii
For. v. densipunctatus n. v.,
Stitz, 1916: 399, major & minor workers & male) Zaïre,
Duma, Schubotz - no images on Antweb (September 2014)
jucundus (C.
Perrisii For. stirps jucundus
n. st., Santschi, 1911g: 216, major & minor workers; Wheeler, 1922:
251, queen) Congo, Brazzaville, A. Weiss - see http://www.antweb.org/specimenImages.do?code=casent0911852
nigeriensis (Camponotus
(Myrmotrema) Bayeri For. stirps nigeriensis n. st., Santschi,
1914d: 383, minor worker; 1915c: 277, all forms) Nigeria,
Ibadan, F. Silvestri, 1913 - http://www.antweb.org/specimenImages.do?code=casent0911853
unavailable name grandior (Camponotus
(Myrmotrema) foraminosus
For. r. Perrisii For. v. grandior n. v., Forel, 1913b: 324,
major & minor workers) Zaïre, Welgelegen, J. Bequaert - see
http://www.antweb.org/specimenImages.do?code=casent0910473
all forms known (see Bolton,
1995) .
Note: insularis (Camponotus
(Myrmotrema) perrisii For. v. insularis
n. v.,
Stitz, 1916: 399, illustrated, all forms; with junior synonym annobonensis,
Santschi, 1915c: 277; synonymy by Santschi, 1920i: 4, minor worker)
Annobon Is.
See http://www.antweb.org/specimenImages.do?code=casent0911850.
This appears very similar to the chrysogaster form of Camponotus
(Myrmotrema) foraminosus.
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If correct, the Key in
Santschi (1915c) suggests that insularis is a
subspecies of Camponotus
foraminosus and not of perrisii.
In the text also, Santschi noted that "Camponotus (Myrmotrema)
foraminosus For. stirps chrysogaster Em.
var. annobonensis, n. var." WORKER differs from the
continental type by the propodeum having a very rounded angle and the
pubescence of the gaster forming a denser blanket of an old gold
colour. Specimen from Annobon I., by Dr. Reichensperger, 2 workers.
Santschi's Key (1915c) separated the species by
its having prismatic tibiae and scapes which are flattened but only
moderately expanded from base to apex; a rectangular clypeus; and,
whitish erect hairs. He separated the type and occidentalis
on the latter having more distinct pubescence. NOTE
- I suspect that couplet 42 in Santschi's key is, at least,
unsatisfactory or, at worst, had the onward numbers transposed - as
Wheeler's picture (above right) shows a very distinct trapezoidal
clypeus. In the text, however, Santschi (1915c) gave added notes on nigeriensis
(from Santschi, 1914d, where it was described as
a stirps of bayeri, the description is at ) - "Emery, who has seen the
major of
the Silvestri types, has written to me that the clypeus is not
trapezoidal". Santschi continued - "I have before me a series of ants
from Congo (Dr. Gérard) which I think are nigeriensis
(the minors differ by the pubescence being a little whiter). MAJOR - TL
12 mm; Colour matt black; front and sides of head, scapes and lower
legs shiny. Sculpture as perrisi. Gaster with more
apparent pubescence than the type from Angola; longer and white but not
hiding the sculpture; erect pilosity finer and longer, white on the
body, yellow around the mouth. Scapes more compressed and surpassing
the occiput by more than their width. Propodeum very rounded. Minor
with legs more strongly channeled then type. FEMALE - TL 13 mm; head
longer and scapes shorter than type; wings smoky brown, veins dark
brown, forewing 13-14 mm. MALE - TL 8 mm, forewing 7.5 mm. Specimens
from Zaïre, Great Lakes Region, Kitempica,
Kataki, by Dr. Gérard".
Stitz's (1916) descriptions of densipunctatus
and insularis are at .
Wheeler (1922) also listed the Nigeria finding
at Lagos by F. Silvestri. Of the subspecies jucundus,
he wrote-
[Found at] Kwamouth, Niangara, Faradje and Garamba, Zaïre
(Lang and Chapin). Many specimens, some of which were identified by
Prof. Emery as belonging to this subspecies. Those from Kwamouth were
found with their pupae nesting in the galleries of a large, conical
termitarium; those from Faradje were taken in small mushroom-shaped
termitaria. Those from Niangara, however, were nesting "in the hollow
of a tree.".
The female of this subspecies measures 11 to 11.5 mm (wings 12.5 mm)
and resembles the major worker very closely in sculpture, pilosity, and
color, except that the erect whitish hairs are shorter and less
numerous on the upper surface of the head and thorax. The antennal
scapes are not so pale at their base. The wings are suffused with brown
and have dark brown veins and pterostigma. The male measures 7 to 8 mm,
is black throughout, with wings colored like those of the female, but
paler. The scapes and hind tibiae are distinctly flattened, though much
less so than in the worker and female, and the upper border of the
petiole is straight and transverse, with a small elevation or tooth on
each corner. The body is rather shining; the thorax without erect hairs
above.
Bernard (1952) reported the Mt. Nimba, Guinea,
findings of this species, ssp jucundus, from
several nests at Nion, Thio, T31 and T 40 Zouépo, T 89
Gouéla and, Nimba north-east forest. The subspecies he
described as the northern race (Senegal, Guinea,
Kenya) of a species common to Congo; the type was found in a termite
nest.
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