Description of the larvae and pupae of eight species of the tribe Sitonini Gistel, 1848 (Coleoptera, Curculionidae) from Central Europe
Author
Sprick, Peter
text
Zootaxa
2017
2017-09-28
4324
3
401
435
journal article
31941
10.11646/zootaxa.4324.3.1
24a2ebdb-c5cb-46ef-9302-e491aceb8802
1175-5326
998318
8135023D-Ab89-4B5A-Ae7D-A67189C7Cbe7
Sitona waterhousei
Walton, 1846
(
FIgS 27–29H
)
Body
: LeNgTH: 4.9–5.7 MM, MAXIMUM WIDTH (AT THe leVel OF PROcOXAe): 2.5–2.8 MM, HeAD WIDTH (eYeS INclUDeD): 1.0–1.1 MM,
PROTHORAX WIDTH
(
AT
WIDeST
PlAce
): 1.1–1.3 MM (
♀
,
♂
). EYeS RelATIVelY bIg, ecceNTRIcAl cONVeX
. BODY elONgATe, WHITe.
PRONOTUM
clOSe TO TRAPeZIUM-SHAPeD, APPROXIMATelY 1.4 TIMeS
AS
WIDe
AS
lONg. MeTANOTUM AlMOST TWIce
AS
lONg
AS
MeSONOTUM. AbD. I–VI OF AlMOST eQUAl leNgTH, AbD. VII SeMIcIRcUlAR, AbD
. VIII NARROW, AbD. IX DISTINcTlY SMAlleR THAN THe PReceDINg. UROgOMPHI RelATIVelY lONg, WITH Well ScleROTIZeD APIcAl PART.
FIGURES 27–29(a).
Andrion regensteinense
, pupa, habitus and chaetotaxy. 27a—total (ventral view), 28a—total (dorsal view), 29a—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
ls
,
l
—lateral,
mts
— mandibular theca,
os—
orbital,
pas—
postantennal,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
vventral
,
vs—
vertical).
FIGURES 27–29(b).
Charagmus gressorius
, pupa, habitus and chaetotaxy. 27b—total (ventral view), 28b—total (dorsal view), 29b—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
ls
,
l
—lateral,
mts
— mandibular theca,
os—
orbital,
pas—
postantennal,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
vventral
,
vs—
vertical).
FIGURES 27–29(c).
Sitona cylindricollis
, pupa, habitus and chaetotaxy. 27c—total (ventral view), 28c—total (dorsal view), 29c—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
ls
,
l
—lateral,
os—
orbital,
pas—
postantennal,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
v—
ventral,
vs—
vertical).
FIGURES 27–29(d).
Sitona hispidulus
, pupa, habitus and chaetotaxy. 27d—total (ventral view), 28d—total (dorsal view), 29d—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
ls
—lateral,
os—
orbital,
paspostantennal
,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
vs—
vertical).
FIGURES 27–29(e).
Sitona lineatus
, pupa, habitus and chaetotaxy. 27e—total (ventral view), 28e—total (dorsal view), 29etotal (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
ls
—lateral,
os—
orbital,
paspostantennal
,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
v—
ventral,
vs—
vertical).
FIGURES 27–29(f).
Sitona macularius
, pupa, habitus and chaetotaxy. 27f—total (ventral view), 28f—total (dorsal view), 29f—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
os—
orbital,
paspostantennal
,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
vs—
vertical).
FIGURES 27–29(g).
Sitona obsoletus
, pupa, habitus and chaetotaxy. 27g—total (ventral view), 28g—total (dorsal view), 29g—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
ls
—lateral,
os—
orbital,
paspostantennal
,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
vs—
vertical).
FIGURES 27–29(h).
Sitona waterhousei
, pupa, habitus and chaetotaxy. 27h—total (ventral view), 28h—total (dorsal view), 29h—total (lateral view) (ur—urogomphi, setae:
as—
apical,
d—
dorsal,
ds—
discal,
fes—
femoral,
os—
orbital,
paspostantennal
,
pls—
posterolateral,
rs
—rostral,
sos—
superorbital,
sls—
superlateral,
vs—
vertical).
Chaetotaxy
. SeTAe OF UNeQUAl leNgTH AND SHAPe, YellOW OR bROWN, ON HeAD, ROSTRUM AND THORAX HAIR-FORM, bASeD ON PROTUbeRANceS, ON AbDOMINAl SegMeNTS HAIR- OR THORN-lIke, THe lATTeR bASeD ON PROTUbeRANceS. ROSTRUM WITH A PAIR
rs
; HeAD cAPSUle beARINg 1
vs
, 2
sos
1-2
, 2
os
1-2
AND
pas
(
FIgS 27H, 29H
).
PRONOTUM WITH
: 2
as
1-2
, 2
ds
1-2
, 2
sls
1-2
AND 2
pls
1-2
(
FIgS 28H, 29H
).
All
SeTAe OF
PROTHORAX
PlAceD ON SMAll PROTUbeRANceS, RelATIVelY lONg, eQUAl IN leNgTH, eXcePT
pls
2
AND
sls
2
beINg SMAlleR
THAN
ReMAININg SeTAe. MeSO-
AND
MeTATHORAX eAcH
WITH 4
PAIRS
OF
d
1-4
; THRee
PAIRS
lONg,
Well
VISIble, THe ReMAININg VeRY
SHORT AND
SOMeTIMeS AbSeNT (
FIg. 28H
). TeRgAl
PARTS
OF AbD. I–VI eAcH
WITH 4
PAIRS
OF PROTUbeRANceS
WITH SHORT
, THORN-lIke SeTAe, OF WHIcH 3
FORM
A RegUlAR TRANSVeRSe ROW AlONg THe POSTeRIOR MARgIN, NeXT ONe PlAceD lATeRAllY. SeTAe NO. 1–3 DISTINcTlY bIggeR
THAN
NO. 4, SO
AT FIRST
VIeW cHAeTOTAXY OF eAcH SegMeNT SeeMS TO cONSIST OF 3
PAIRS
OF SeTAe ONlY. CHAeTOTAXY OF AbD. VII cONSISTS OF 4
PAIRS
OF SeTAe AlMOST eQUAl IN SIZe, OF WHIcH 2
PAIRS
ARe PlAceD POSTeROMeDIAllY, NeXT
TWO PAIRS
lATeRAllY. AbD
.
VIII WITH TWO PAIRS
OF SeTAe, eQUAl IN leNgTH
AND
PlAceD IN THe
ceNTeR
(
FIgS 28H, 29H
). EAcH UROgOMPHUS beARS A
PAIR
OF
SHORT
SeTAe.