A review of the mite subfamily Harpirhynchinae (Acariformes: Harpirhynchidae) — parasites of New World birds (Aves: Neognathae)
Author
Bochkov, Andre V
Author
Oconnor, Barry M.
Author
Klompen, Hans
text
Zootaxa
2015
4023
1
1
130
journal article
10.11646/zootaxa.4023.1.1
8f4e6997-9864-4b83-9687-c0beffe0b6ae
1175-5326
399838
6BC0B13B-940D-402E-B894-3C80E034840B
Harpyrhynchoides actitis
Bochkov
, OConnor and Klompen sp. nov.
(
Figs. 14
,
15
,
17
A–E)
Description
. FEMALE (
holotype
, 7
paratypes
,
Figs. 14
,
17
A). Body, including gnathosoma, 265 long (260–280) and 235 wide (235–240). Gnathosoma about 75 long and 85 wide. Palp 37 long (37–40) and 30 wide (30–33), without lateral notches. Palpalae strongly different in shape (
Fig. 17
A):
dG
12–13 long, with 5–7 pectinations, about 3 times thicker than
dF
13–14 long and
l”G
, 7–8 long. Setae
vF
about 45 long, smooth. Subcapitulum ventrally without membranous projections. Peritrematal branch about 35 long.
Idiosoma
185–190 long. Smooth cuticle between peritrematal branches and transverse striations apunctate. All dorsal setae slightly serrate. Setae
vi
absent. Dorsal shield unornamented, 150 long (150–165) and 200 wide (180–200), roughly octagonal; anterior margin slightly concave, posterior margin deeply concave.
Idiosoma
ventrally without scales or verrucosities, striated anterior to level of seta
1a
bases and at level of setal bases
3a
to pocket-like vulvar structure. Setae
1a
situated slightly anterior to level of setal bases
1c
. Setae
3a
situated at level of coxal fields III. Distance between setal bases
3a
about 4 times longer than between setal bases
1a
. Ventral setae
h1
present. Distances
h1–h1
and
h2– h2
subequal. Coxal fields I and II smooth. Vulvar pocket-like structure without long lateral longitudinal folds. Vulvar apodemes weakly developed but discernible. Posterior margin of
idiosoma
with pair of small ventro-medial protrusions. Setae
ve
,
si
, se, and
c2
65–70 long—all serrate,
h1
about 17, and
h2
about 35. Solenidia
ω
1
I and
ω1
II 15–17
long, narrow straight and conical, with rounded apex. Empodium of tarsi I and II not elongated, only slightly longer or subequal to respective tarsus. Genua I and II with 3 setae (
d
,
l’
,
v’
), femora I and II with 2 setae (
d
and
v
), trochanters I and II with 1 seta (
v
). Apical segment of leg III with 5 setae; preapical segment with 2 setae. Leg IV with 2 segments; preapical segment with 1 seta; apical segment with 4 setae.
MALE (1
paratype
,
Figs. 15
,
17
B–E). Body, including gnathosoma, 235 long and 185 wide. Gnathosomal length and width subequal, about 65. Palp length and width subequal, about 30, without notches. Palpalae strongly different in shape (
Fig. 17
B):
dG
15 long, 2–3 times thicker than
dF
16 long and
l”G
6 long. Setae
vF
37 long, smooth. Subcapitulum ventrally as in female.
Idiosoma
165 long. Smooth cuticle between peritrematal branches and transverse striations apunctate. Dorsal shield 135 long and 100 wide; with anterior almost straight, narrowed in posterior part (about 50 wide), posterior margin with 2 small lateral lobes. Aedeagus 50 long, destroyed. Genital opening situated in posterior quarter of dorsal shield. Genital arch about 40 long. Genital setae 8–10 long; setae
g2
absent. Distance
g1–g1
60 and
g3–g3
35. Setae
vi
30
long, smooth;
ve
,
si
,
se
, and
c2
slightly serrate, 60–65 long.
Idiosoma
ventrally without scales or verrucosities, with 2 median unstriated plates, anterior plate 35 long in midline, situated immediately posterior to setal bases
1a
; second plate 45 long in midline, situated immediately posterior to setal bases
3a
. Coxal fields I and II smooth. Leg I and II setation as in female. Solenidia
ω
1
I and
ω1
II 17–19
long, narrow straight and conical, with rounded apex. Apical segment of leg III with 5 setae; preapical segment with 2 setae. Leg IV with 1 segment bearing 5 setae.
Type
material
.
Holotype
female (
OSAL
0077502),
7 female
and
1 male
paratypes
(
OSAL
0 0 77503, 0077519–0077523, 0 0 83621, 0083622) from
Actitis
macularius
(Linnaeus) (
Charadriiformes
:
Scolopacidae
),
CANADA
: British
Columbia
, Vancouver,
49.16°N
,
122.86°W
(GEOnet),
10 July 1960
, coll. W.W. Moss.
Type
deposition
.
Holotype
and most of
paratypes
in
OSAL
,
1 female
paratype
in
ZISP
.
Etymology
. The specific epithet is derived from the generic name of the host and is a noun in apposition.
Hosts and distribution
.
Actitis
macularius
(
Charadriiformes
:
Scolopacidae
) from
Canada
(British
Columbia
) (present paper).
FIGURE 14
.
Harpyrhynchoides actitis
sp. nov
.
, female: A—dorsal view; B—ventral view.
FIGURE 15
.
Harpyrhynchoides actitis
sp. nov
.
, male: A—dorsal view; B—ventral view.
Differential diagnosis
. This species differs from all other species of the group
capellae
by the absence of setae
vi
and setae
1a
situated slightly anterior to the level of setal bases
1c
in females and by the absence of setae
g
2
in males. Among species of this group, females of the new species are closest to
Harpyrhynchoides pluvialis
sp. nov
.
and
H. phalaropus
Bochkov and Galloway, 2013
(males of these species are unknown) by setae
dG
being almost twice wider than
dF
. It differs from these species by the following features. In females of
H. actitis
sp. nov
.
, setae
dG
are about 1.7 times longer than
l”G
(vs. 2.5 times shorter in
H. pluvialis
), setae
dF
are subequal to
dG
(vs. three times longer in
H. pluvialis
and 1.5 times shorter in
H. phalaropus
), the
idiosoma
ventrally is striated anterior to the level of seta
1a
bases and at the level of setal bases
3a
to the pocket-like vulvar structure (vs. almost fully striated in
H. pluvialis
and without striations between levels of setal bases
3a
and pocket-like vulvar structure in
H. phalaropus
).