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
9066
10.11646/zootaxa.4898.1.1
9e4030d6-1154-422f-bb13-afd31181028f
1175-5326
4392515
3F66CE1D-1036-4226-BC28-029F9961E069
Lepidocyrtinus andevo
sp. nov.
Cipola & Bellini
Figs 55
,
61–66
,
Tables 1
and
5
Type Material.
Holotype
female on slide (54085/
CAS
):
Madagascar
,
Toamasina
,
Ankerana
municipality,
18°24’23”S
,
048°48’09”E
(
Fig. 55
),
Montane forest
,
1108 m
,
19-24.i.2012
,
Malaise trap
,
BL Fisher
coll.
15 paratypes
:
3 males
,
4 females
and
1 juvenile
on slides and
5 specimens
in alcohol (54085/
CAS
);
1 male
and
1 female
on slides (54085/
CAS
donated to
INPA-CLL 000030
), same data as holotype.
Diagnosis.
Body with dark blue pigments all over Ant I–IV, Th II laterally and femur I–III (
Fig. 61
); 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 reduced (
Figs 62
D–F); basolateral and basomedian labial fields with chaetae
R
(smaller than the others),
L1–2
ciliated and
e
smooth; Th II projected anteriorly and with 6–7 anterior, 8 median (
m1ip
,
m4–4p
present,
m4i
mac absent) and 9–11 posterior mac (
p2ep
absent,
p3
as mac); Th III–Abd II with 9–10, 2–4, 3–4 central mac respectively; Abd IV with 10–12 central mac and 14–16 lateral mac (
Figs 63
,
64B
); unguis a.t. absent; unguiculus
pe
lamella smooth and with a small proximal tooth (
Fig. 65E
); collophore anteriorly with 9 spine-like chaetae and 4 ciliated chaetae apically acuminate, posteriorly with 10 spines, smooth chaeta present (
Fig. 66A
); manubrium ventrally with 0/4 subapical chaetae; manubrial plate with 2 blunt mac abruptly acuminate at the apex; dens with 1–12 blunt mac, 3 apically bullet-like and up to 9 abruptly acuminate at the apex (
Figs 66
B–C).
Description.
Total length (head + trunk) of specimens 3.97–5.10 (n=4),
holotype
5.10 mm
. Specimens pale white with dark blue pigment on Ant I–IV, lateral Th II, anterior coxa III, trochanter and femur completely, lighter on tibiotarsus; eyepatches black (
Fig. 61
). Scales present on Ant I to proximal one quarter of Ant IV, dorsal and ven-tral head, dorsal thorax and abdomen, legs (except empodia), anterior and posterior collophore, ventral and dorsal manubrium and dens ventrally.
Head. Antennae subequal to trunk length (
Fig. 61
); ratio antennae: trunk = 1: 0.96–1.14 (n=4),
holotype
1: 0.98; antennal segments ratio as I: II: III: IV = 1: 1.21–1.37: 1.18–1.47: 2.77–3.48,
holotype
1: 1.23: 1.18: 2.77. Ant IV annulated on distal three fourths, with apical bulb apically unilobed, bilobed or trilobed.Ant III not annulated, apical organ with 2 elongated rods, 3 spiny guard sens, s-blunt sens of different sizes and ciliated chaetae (
Fig. 62A
). Ant I dorsally with 4 median mac surrounded by ciliated guard mic and 13 smooth mic at the base, without spines (
Fig. 62B
). Eyes A and B larger, G and H smaller, others subequal, and with 5 ‘IO’ chaetae; head dorsal macrochaetotaxy with 15–16
An
, 4
A
, 3
M
, 7
S
and 1
Ps
mac (
Fig. 62F
). Clypeal formula with 6 (
l12
,
l1–2
), 15 (
ft
), 2 (
pf1
) ciliated chaetae,
l1
larger than the others and apically acuminate,
pf0
absent, others subequal (
Fig. 62C
). Prelabral chaetae smooth, sometimes bifurcated. Labral
p0
chaeta sometimes with median filament,
p1
larger than the others (
Fig. 62D
). Labral papillae with two rounded projections, outer papillae absent. Maxillary palp with smooth t.a. and b.c. weakly ciliated, thicker and 1.39 longer than the t.a. Labial papilla E with l.p. conical and reduced (
Fig. 62E
). Basolateral and basomedian labial fields with chaetae
M1–2
,
R
(smaller than the others),
L1–2
ciliated,
e
smooth. Ventral head with about 13 ciliated chaetae, postlabial formula with 4 (
G1–4
), 3 (
H2–4
), 4 (
J1–4
) chaetae,
H3
sometimes thin and smaller, and 1 b.c. larger than the others surrounding the cephalic groove (
Fig. 62G
).
FIGURE 61.
Lepidocyrtinus andevo
sp. nov.
, habitus of a specimen fixed in alcohol (lateral view). Scale bars: 1 mm.
FIGURE 62A–G.
Lepidocyrtinus andevo
sp. nov.
: head;
A
, Ant III apical organ (lateral view);
B
, left Ant I chaetotaxy (dorsal side);
C
, clypeus chaetotaxy;
D
, chaetotaxy of prelabral and labral posterior row;
E
, labial papillae E (right side), arrow indicates l.p.;
F
, dorsal chaetotaxy (left side);
G
, complete postlabial chaetotaxy (right side).
FIGURE 63A–D.
Lepidocyrtinus andevo
sp. nov.
: dorsal chaetotaxy;
A
, Th II;
B
, Th III;
C
, Abd I;
D
, Abd II.
FIGURE 64A–C.
Lepidocyrtinus andevo
sp. nov.
: dorsal chaetotaxy;
A
, Abd III,
B
, Abd IV;
C
, Abd V.
Thorax chaetotaxy (
Fig. 63
A–B). Th II projected anteriorly,
a
,
m
and
p
series with 6–7, 8 and 9–11 mac, respectively, and about 20 secondary psp. Th III
a
,
m
and
p
series with 5–6, 1 and 7 mac, respectively, and about 10 secondary psp. Ratio Th II: III = 2.93–1.95: 1 (n=4),
holotype
2.93: 1.
Abdomen chaetotaxy (
Figs 63
C–D, 64A–C). Abd I
a
,
m
and
p
series with 0–1, 2–3 and 0 mac, respectively, and about 5 secondary psp. Abd II
a
,
m
and
p
series with 1, 3–4 and 0 mac, respectively, and about 11 secondary psp. Abd III
a
,
m
and
p
series with 0, 3 and 1 mac, respectively, and about 16 secondary psp. Abd IV with 10–12 central mac on
A–T
series and 14–16 lateral mac on
E–Fe
series; about 11 secondary psp, at least 6 posterior sens (
ps
type I, others type II) and 5 posterior mes. Abd V
a
,
m
and
p
series with 1, 4 and 6 mac, respectively. Ratio Abd III: IV = 1: 6.65–4.78 (n= 4),
holotype
1: 4.78.
Legs. Subcoxa I with 6 chaetae on a row, 12 anterior chaetae and 2 psp; subcoxa II with an anterior row of 17 chaetae, posterior row of 10 chaetae and 4 psp; subcoxa III with one row of 13 chaetae and 2 posterior psp (
Fig. 65
A–C). Trochanteral organ with about 68 spine-like chaetae (
Fig. 65D
). Tibiotarsus III sometimes subdivided on distal two thirds, outer side with 3 proximal large chaetae apically acuminate, inner side with 7 mac weakly ciliated. Unguis with 3 inner teeth, b.t. smaller than m.t., a.t. absent. Unguiculus with all lamellae smooth and acuminate, except
pe
with a small proximal tooth; ratio unguis: unguiculus = 1: 0.49. Tibiotarsal smooth chaeta 1.12 larger than unguiculus and tenent hair 0.51 smaller than unguis outer edge (
Fig. 65E
).
FIGURE 65A–E.
Lepidocyrtinus andevo
sp. nov.
: legs chaetotaxy;
A–C
, subcoxa I–III (outer side), respectively;
D
, trochanteral organ (inner side);
E
, distal tibiotarsus and empodial complex III (posterior side).
Collophore. Anterior side with 20 chaetae, 9 proximal spine-like chaetae, 1 thin ciliated chaeta, 4 ciliated chaetae apically acuminate and 6 mac distally; posterior side with 28 chaetae (3 unpaired), 10 spines, 17 thin ciliated chaetae widely distributed and 1 smooth chaetae distally; lateral flap with about 88 chaetae, 11 smooth and 77 ciliated (
Fig. 66A
).
FIGURE 66A–C.
Lepidocyrtinus andevo
sp. nov.
:
A
, collophore chaetotaxy (lateral view);
B
, manubrium ventral chaetotaxy;
C
, chaetotaxy of the manubrial plate and proximal dens (lateral view).
Furcula. Manubrium ventral formula with 0, 0, 0, 0/4 (subapical), 14–16 (apical) ciliated chaetae plus approximately 35 elongated apical scales per side (
Fig. 66B
); manubrial plate with 2–3 blunt mac ciliated abruptly acumi-nate at apex, 17 ciliated chaetae of different sizes and 2 psp. Dorsal dens with one row of 1–12 blunt mac weakly ciliated, 3 proximal apically bullet-like and up to 9 abruptly acuminate at the apex,
holotype
with 3+9 (
Fig. 66C
).
Etymology
. The epithet “andevo” is proposed to honor the black slaves that constituted about a third of the Merina society of
Madagascar
during the 19th century.
Remarks.
Lepidocyrtinus andevo
sp. nov.
resembles other species from
Madagascar
(
Table 5
). See the comparison among them in the remarks of
L. iegoi
sp. nov.