Three new species of eriophyid mites (Acari: Eriophyidae) from the State of São Paulo, Brazil
Author
Flechtmann, Carlos H. W.
Author
De, Gilberto J.
Author
Moraes
text
Zootaxa
2002
2002-02-25
23
1
8
journal article
http://doi.org/10.5281/zenodo.4620101
39d17491-be8b-49ef-aad7-d7cc5e379496
11755326
4620101
920E0BDA-9021-463C-92AD-000F936E2E2A
Aceria korykis
n. sp.
(
Fig.
4
)
DIAGNOSIS
–
With
5
rayed empodium; prodorsal shield bearing a small, distinctly rounded anterior lobe and typical shield design.
REMARKS
–
Aceria korykis
n. sp.
resembles
A. acalyphae
Mohanasundaram,
1990
, described from
Acalypha fruticosa
Forsk.
from
India
, causing whitish erineal patches on both sides of the leaf, differing mainly in relation to the empodium (
4
rayed in
A
.
acalyphae
), the number of coxisternal annuli (
56 in
the
n. sp.
,
8 in
A. acalyphae
) and prodorsal shield design.
FEMALE – (n =
6
). Idiosoma
155
(
135180
) long,
51
(
5155
) wide.
Gnathosoma
: basal seta
3
(
23
); antapical seta
4
(
45
); chelicera
12
(
1113
).
Prodorsal shield
28
(
2832
) long,
32
(
2832
) wide, with a small but distinct rounded anterior lobe. Shield design consisting of median, admedian, a pair of submedian lines and
2
pairs of lateral diagonal lines. Shield flanked by short dashes. Scapular seta (
sc
) on rear shield margin, set on tubercle, pointing backwards,
18
(
1821
) and
22
(
2024
) apart.
Legs
: leg
I
23
(
2324
); femur
8
(
7 8
), femoral seta (
bv
)
7
(
79
); genu
4
, genual seta (
l”
)
18
(
1819
); tibia
4
(
45
), tibial seta (
l’
) basal,
4
; tarsus
5
solenidion (Z)
6
(
67
), empodium
4, 5
rayed, dorsal seta (
ft’
)
11
(
10 11
), lateral seta (
ft”
)
16
(
1619
), unguinal seta (
u’
)
3
(
34
). Leg
II
20
(
1921
); femur
7
(
6 7
),
bv
7
(
67
); genu
3
,
l’
9
(
79
); tibia
3
(
34
); tarsus
5
(
45
) solenidion (Z)
6
(
67
), empodium
4, 5
rayed,
ft’
4
(
35
),
ft”
18
(
1820
),
u’
3
(
24
).
Coxisternal area:
coxae I fused, marked with dashes; sternal line
5
(
45
). Coxal seta I (
1
b
)
6
(
56
),
9
(
89
) apart; coxal seta II (
1
a
)
15
(
1115
),
9
(
89
) apart; coxal seta III (
2
a
)
32
(
2832
),
19
(
1819
) apart.
Genitalia
19
(
1819
) wide,
11
(
1012
) long; epigynium with
11
(
1012
) longitudinal lines; genital seta (
3
a
)
7
(
68
). Coxisternal area with
5
(
56
) annuli, microtuberculate.
Opisthosoma
evenly rounded in cross section, annuli fully microtuberculate. Lateral seta (
c
2
)
19
(
18 24
), on annulus
4
(
45
) counting from genitalia rear margin; ventral seta I (
d
)
36
(
2736
),
33
(
3236
) apart, on annulus
16
(
1618
); ventral seta II (
e
)
11
(
912
),
16
(
1418
) apart, on annulus
30
(
2832
); ventral seta III (
f
)
20
(
1820
),
19
(
1819
) apart, on annulus
50
(
4754
) or on annulus
6
from rear. Total ventral annuli
55
(
5259
); total dorsal annuli
61
(
5863
). Caudal seta (
h
2
)
37
(
3137
); accessory seta (
h
1
)
5
(
46
).
MALE – (n =
3
). Smaller than female,
125154
long,
4447
wide.
Gnathosoma:
basal seta
2
, antapical seta
34
, chelicera
1112
.
Prodorsal shield
2528, 26
28
wide;
sc
1416, 18
19
apart.
Legs
: leg
I
1921
; femur
67
,
bv
67
; genu
3
,
l”
1416
; tibia
34
,
l’
23
; tarsus
45
, solenidion (Z)
67
, empodium
4, 5
rayed,
ft’
911
,
ft”
1416
,
u’
3
. Leg
II
1819
; femur
67
,
bv
46
; genu
23
,
l”
67
; tibia
23
; tarsus
4
, solenidion (Z)
7
, empodium
4, 5
rayed,
ft’
34
,
ft”
1417
,
u’
2
.
Coxisternal area
: sternal line
34
;
1
b
45, 6
7
apart;
1a
10
13, 7
9
apart;
2a
22
25, 16
18
apart;
45
coxisternal annuli, microtuberculate.
Genitalia
1415
wide,
811
long, rear half granulated;
3a
6
8
.
Opisthosoma
:
c
2
1820
, on annulus
3 4
;
d
2428, 26
29
apart, on annuli
1113
;
e
710, 15
apart, on annuli
2224
;
f
1419, 16
17
apart, on annuli
4243
or
6
th from rear. Total ventral annuli
4748
; total dorsal annuli
49 56
; annuli entirely microtuberculate. Caudal setae (
h
2
)
2528
;
h
1
34
.
TYPE MATERIAL –
Female
holotype
,
89
female
paratypes
,
3
male
paratypes
,
from
Acalypha reptans
Sn.
(
Euphorbiaceae
),
Piracicaba
,
São Paulo
,
Brazil
(
22
o
42
’
30
” S
,
47
o
38
’08” W
), coll.
G.J. Moraes
,
1
March
2001
, on
10
microscopic preparations in the collection of Departamento de Entomologia, Fitopatologia e Zoologia Agrícola, Universidade de São Paulo
ESALQ
, Piracicaba, São Paulo, Brazil
.
RELATIONSHIP TO HOST – Small erineal galls on leaves and leaf distortion.
ETYMOLOGY – The specific designation
korykis
is derived from
korykis
, Greek
for gall on leaves, referring to the damage caused by the mite on the host plant.