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 2–8H
)
Body
. LeNgTH 3.6–4.2 MM, WIDTH 1.2–1.5 MM. SeTAe VeRY lONg TO VeRY SHORT. PROTHORAX (
FIg. 2H
) WITH 7
prns
. MeSO- AND MeTATHORAX (
FIg. 2H
) eAcH WITH 1 MeDIUM lONg
prs
AND 4
pds
: FIRST lONg, SecOND SHORT, NeXT TWO lONg;
eps
MeDIUM lONg. EAcH PeDAl AReA WITH 6
pda
, DIFFeReNT IN leNgTH. AbD. VIII (
FIg. 4H
) WITH 1 SHORT
prs
AND 4
pds
;
ts
VeRY SHORT. AbD. X WITH 2 MINUTe
ts
.
Head
. BROWN, WIDe, WITH PARAllel SIDeS;
WIDTH
: 0.70–0.85 MM, leNgTH: 0.60–0.70 MM; eNDOcARINA ReAcHeS 2/3 THe leNgTH OF
FRONS
(
FIg 5H
).
Fs
1
AND
fs
3
VeRY
SHORT
,
fs
4
SlIgHTlY SHORTeR
THAN
fs
5
.
Les
1
AND
les
2
eQUAl IN leNgTH,
AS
lONg
AS
des
1
.
Ves
1-2
SHORT
, POORlY DeVelOPeD. POSTePIcRANIAl AReA
WITH 4
pes
. STeMMATA DeVelOPeD. ANTeNNAl bASAl MeMbRANOUS ARTIcle
WITH 5
bASIcONIc SeNSIllAe. LAbRUM (
FIg. 6H
) APPROXIMATelY 3.8 TIMeS
AS
WIDe
AS
lONg; ANTeRIOR MARgIN SINUOUSlY eMARgINATeD; A
PAIR
OF
ams
, 2
PAIRS
OF
mes
, VARIOUS IN leNgTH
,
AND 3
PAIRS
OF
als
. LAbRAl
RODS
cONVeRgINg POSTeRIORlY. ClYPeUS (
FIg. 6H
) 3.5 TIMeS
AS
WIDe
AS
lONg; ANTeRIOR MARgIN AlMOST STRAIgHT, lATeRAl MARgINS DISTINcTlY SINUOUSlY eMARgINATeD; MeDIAN FURROW ReAcHeS 3/4 THe leNgTH OF clYPeUS. EPIPHARYNX (
FIg. 7H
)
WITH 3
PAIRS
OF
als
; A
PAIR
OF
ams
AND 2
PAIRS
OF
mes
. MANDIble
WITH 2
ADDITIONAl TeeTH, PROXIMAl
SHARP
, NeXT blUNT, bOTH clOSe TO APeX. MAXIllA (
FIg. 8H
) WITHOUT
mbs
; bOTH PAlPOMeReS eQUAl IN leNgTH, bUT bASAl PAlPOMeRe DISTINcTlY WIDeR
THAN
THe DISTAl. PRAelAbIUM TRIANgUlAR
, WITH 2 PAIRS OF
ligs
; bASAl PAlPOMeRe SHORTeR AND DISTINcTlY WIDeR THAN THe DISTAl;
pslb
3
A lITTle SHORTeR THAN THe ReMAININg SeTAe.