Review of Lepidocyrtinus Börner, 1903 (Collembola, Entomobryidae, Seirinae): the African species
Author
Cipola, Nikolas Gioia
Author
Morais, José Wellington De
0000-0003-3801-7054
moraisjw@gmail.com
Author
Bellini, Bruno Cavalcante
0000-0001-7881-9436
entobellini@gmail.com
text
Zootaxa
2020
2020-12-24
4898
1
1
110
journal article
https://doi.org/10.11646/zootaxa.4898.1.1
9e4030d6-1154-422f-bb13-afd31181028f
1175-5326
4392515
3F66CE1D-1036-4226-BC28-029F9961E069
Lepidocyrtinus betamponensis
sp. nov.
Cipola & Bellini
Figs 55
,
72–76
,
Tables 1
and
5
Type Material.
Holotype
female on slide (54128/
CAS
):
Madagascar
,
Toamasina
,
Réserve Nationale Intégrale Betampona
,
17°54’58”S
,
049°12’07”E
(
Fig. 55
),
Rainforest
,
550 m
,
24.iv-04.v.2008
,
Malaise trap
,
BL Fisher
coll.
67 paratypes
:
1 male
and
5 females
on slides and
30 specimens
in alcohol (54128/
CAS
);
1 male
and
2 females
on slides and
15 specimens
in alcohol (54128/
CAS
donated to
INPA-CLL 000032
), same data as holotype;
13 specimens
in alcohol (54120, 54153-54, 56/
CAS
), same data as
holotype
, except
3-10.viii.2008
,
31.viii-07.ix.2008
,
28.ix-05- x.2008
,
21-28.xii.2008
.
Diagnosis.
Body with dark pigments on Ant II–IV and Th II laterally (
Fig. 72
); head mac
A0
,
A2–3
,
A5
,
M1–2
,
S0–3
and
S5–6
present; prelabral chaetae smooth; labial papilla E with l.p. conical and not reaching the base of a.a.; basolateral and basomedian labial fields with chaetae
R
(smaller than the others) and
L1–2
ciliated,
e
smooth (
Figs 73
B–E); Th II projected anteriorly and with 5–7 anterior, 8 median (
m1ip
,
m4–4p
present,
m4i
mac absent) and 9–10 posterior mac (
p2ep
absent,
p3
as mac); Th III–Abd II with 8–10, 1–2, 3–4 central mac respectively; Abd IV with 12 central mac and 12–15 lateral mac (
Figs 74
,
75B
); unguis a.t. absent; unguiculus
pe
lamella smooth and with a small proximal tooth; collophore anteriorly with 9 spine-like chaetae and 5–6 ciliated chaetae apically acuminate, posteriorly with 8 spines, smooth chaeta present (
Fig. 76E
); manubrium ventrally with 0/4 subapical chaetae; manubrial plate with 2 blunt mac abruptly acuminate at the apex; dens with 5–9 blunt mac apically bullet-like abruptly acuminate at the apex (
Figs 76
F–G).
FIGURE 72.
Lepidocyrtinus betamponensis
sp. nov.
, habitus of a specimen fixed in alcohol (lateral view). Scale bars: 1 mm.
Description.
Total length (head + trunk) of specimens 3.03–3.70 (n=4),
holotype
3.70 mm
. Specimens pale white with dark blue pigment on Ant I–IV (darker on distal Ant II, proximal and distal Ant III and IV), lateral Th II–III, femur I–II with one distal band and III with proximal and distal bands, and tibiotarsus almost completely (except distally); eyepatches black (
Fig. 72
). Scales present on Ant I to proximal one quarter of Ant IV, dorsal and ventral head, dorsal thorax and abdomen, legs (except empodia), anterior collophore, ventral and dorsal manubrium and dens ventrally.
Head. Antennae subequal or smaller than trunk length (
Fig. 72
); ratio antennae: trunk = 1: 1.10–1.21 (n=3),
holotype
1: 1.21; antennal segments ratio as I: II: III: IV = 1: 1.28–1.48: 1.41–1.48: 2.83–3.00,
holotype
1: 1.40: 1.48: 2.85. Ant IV annulated on distal three fourths, with apical bulb apically bilobed. Ant III not annulated, apical organ with 2 short rods, 3 spiny guard sens and s-blunt sens of different sizes. Ant I dorsally with 4–5 median mac and 3 smooth mic at the base, without spines. Eyes A and B larger, G and H smaller, others subequal, and with 5–6 ‘IO’ chaetae; head dorsal macrochaetotaxy with 10–13
An
, 4
A
, 3
M
and 7
S
mac (
Fig. 73D
). Clypeal formula with 4 (
l1–2
), 7 (
ft
), 5 (
pf0–2
) ciliated chaetae,
l1–2
larger than the others,
l1
apically acuminate,
1
ft
smaller, others subequal (
Fig. 73A
). Prelabral chaetae smooth but sometimes with a small median filament, outer chaetae rarely with two median filaments (
Fig. 73B
). Labral
p0
chaeta sometimes with median filament or rarely bifurcated,
p1
larger than the others. Labral papillae with two inner rounded projections, outer papillae absent. Maxillary palp with smooth t.a. and b.c. weakly ciliated, thicker and 1.29 longer than the a.a. Labial papilla E with l.p. conical and not reaching the base of a.a. (
Fig. 73C
). Basolateral and basomedian labial fields with chaetae
M1–2
,
R
(smaller than the others),
L1–2
ciliated,
e
smooth (
Fig. 73E
). Ventral head with about 16 ciliated chaetae, postlabial formula with 4 (
G1–4
), 3 (
H2–4
), 4 (
J1–4
) chaetae, and 3 larger chaetae, 2 b.c. surrounding the cephalic groove (
Fig. 73E
).
Thorax chaetotaxy (
Fig. 74
A–B). Th II projected anteriorly,
a
,
m
and
p
series with 5–7, 8 and 9–10 mac, respectively, and about 11 secundary psp. Th III
a
,
m
and
p
series with 4–5, 1 and 7–8 mac, respectively, and about 6 secundary psp. Ratio Th II: III = 2.25–1.92: 1 (n=4),
holotype
2.13: 1.
Abdomen
chaetotaxy (
Figs 74
C–D, 75A–C).
Abd I
a
,
m
and
p
series with 0, 1–2 and 0 mac, respectively, and at least 2 secundary psp.
Abd II
a
,
m
and
p
series with 0–1, 4 and 0 mac, respectively, and at least 2 secundary psp.
Abd
III
a
,
m
and
p
series with 0, 3 and 1 mac, respectively, and about 8 secundary psp.
Abd
IV
with 12 central mac on
A–
T
series and 12–15 lateral mac on
E–
Fe
series; about 9 secundary psp, at least 8 posterior sens (
ps
type I, others type
II
) and 6 posterior mes.
Abd
V
a
,
m
and
p
series with 1, 4 and 6 mac, respectively.
Ratio Abd
III
:
IV
= 1: 4.51–5.44 (n= 4),
holotype
1: 4.53.
Legs. Subcoxa I with 6 chaetae on a row, 2 anterior chaetae and 2 psp; subcoxa II with an anterior row of 12 chaetae, posterior row of 7 chaetae and 6 psp; subcoxa III with one row of 12 chaetae and 2 posterior psp (
Figs 76
A–C). Trochanteral organ with about 78 spine-like chaetae (
Fig. 76D
). Tibiotarsus III sometimes subdivided on distal two thirds, outer side with 4 proximal large chaetae apically acuminate, inner side with 7 mac weakly ciliated. Unguis with 3 inner teeth, b.t. subequal to m.t. in length, a.t. absent. Unguiculus with all lamellae smooth and acuminate, except
pe
with a small proximal tooth (as in
Fig. 51E
); ratio unguis: unguiculus = 1: 0.63. Tibiotarsal smooth chaeta 1.18 larger than unguiculus and tenent hair 0.72 smaller than unguis outer edge.
Collophore. Anterior side with 18–20 chaetae, 9 proximal spine-like chaetae, 1 thin and 1–2 normal ciliated chaetae, 5–6 ciliated chaetae apically acuminate and 2 mac distally; posterior side with 18–19 chaetae (2 unpaired), 8 spines, 9–10 thin ciliated chaetae widely distributed and 1 smooth chaeta distally; lateral flap with about 67 chaetae, 10 smooth and 57 ciliated (
Fig. 76E
).
Furcula. Manubrium ventral formula with 0, 0, 0, 0/4 (subapical), 12–16 (apical) ciliated chaetae plus approximately 24 elongated apical scales per side (
Fig. 76F
); manubrial plate with 2 blunt mac ciliated abruptly acuminate at the apex, 12 ciliated chaetae of different sizes and 3 psp. Dens dorsally with one proximal row of 5–9 blunt mac weakly ciliated, 3 proximal apically bullet-like and up to 6 abruptly acuminate at the apex,
holotype
with 7+7 (
Fig. 76G
).
Etymology.
Refers to its
type
locality: Betampona Reserve,
Madagascar
.
Remarks.
Lepidocyrtinus betamponensis
sp. nov.
resembles others species from
Madagascar
(
Table 5
). See the comparison among them in the remarks of
L. iegoi
sp. nov.