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 macularius
(Marsham, 1802)
(
FIgS 2–8F
)
Body
. LeNgTH 4.0–5.4 MM, WIDTH 1.3–1.6 MM. SeTAe VeRY lONg TO SHORT. PROTHORAX (
FIg. 2F
) WITH 8
prns
, TWO SeTAe PlAceD clOSe TO SPIRAcle. MeSO- AND MeTATHORAX (
FIg. 2F
) eAcH WITH 1 VeRY SHORT
prs
AND 4
pds
OF MeDIUM leNgTH. EAcH PeDAl AReA WITH 5
pda
, ONe OF THeM DISTINcTlY lONgeR THAN THe ReMAININg SeTAe. AbD. VIII (
FIg. 4F
) WITH 1 VeRY SHORT
prs
AND 4
pds
;
ts
VeRY SHORT bUT DeVelOPeD.
Head
.
YellOW, SlIgHTlY FlATTeNeD lATeRAllY;
WIDTH
: 0.65
–0.80 MM, leNgTH: 0.45–0.65 MM; eNDOcARINA ReAcHeS MORe THAN 1/2 THe leNgTH OF FRONS.
Des
3
DISTINcTlY SHORTeR
THAN
des
1
,
des
4
VeRY
SHORT
(
FIg. 5F
).
Fs
1
MeDIUM lONg,
fs
3
AlMOST INVISIble,
fs
4
AS
lONg
AS
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 INVISIble. ANTeNNAl bASAl MeMbRANOUS ARTIcle
WITH 5
bASIcONIc SeNSIllAe. LAbRUM (
FIg. 6F
) APPROXIMATelY 3.0 TIMeS
AS
WIDe
AS
lONg; ANTeRIOR MARgIN SINUOUSlY eMARgINATeD; 3
PAIRS
OF
ams
, DIFFeReNT IN leNgTH, MeDIAN
PAIRS
THRee TIMeS lONgeR
THAN
THe lATeRAl SeTAe, 2
PAIRS
OF
mes
, VARIOUS IN leNgTH
, AND 3 PAIRS OF
als
. LAbRAl RODS cONVeRgINg POSTeRIORlY.
ClYPeUS (
FIg. 6F
) 3.4 TIMeS
AS
WIDe
AS
lONg; ANTeRIOR MARgIN AlMOST STRAIgHT, lATeRAl MARgINS AlMOST STRAIgHT; MeDIAN FURROW ReAcHeS 2/3 THe leNgTH OF clYPeUS. EPIPHARYNX (
FIg. 7F
)
WITH 3
PAIRS
OF
als
; 3 PAIRS OF
ams
AND 2 PAIRS OF
mes
. MANDIble: SecOND TOOTH blUNT, PlAceD clOSe TO APeX. MAXIllA (
FIg. 8F
) WITHOUT
mbs
; bASAl PAlPOMeRe DISTINcTlY SHORTeR AND WIDeR THAN THe DISTAl. PRAelAbIUM cORDIFORM, WITH 2 PAIRS OF
ligs
;
bOTH PAlPOMeReS eQUAl IN leNgTH, bUT bASAl A lITTle WIDeR
THAN
THe DISTAl;
pslb
3
AlMOST HAlF
AS
lONg
AS
THe ReMAININg SeTAe.