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 obsoletus (Gmelin, 1790) ( FIgS 2–8g ) Body . LeNgTH 5.0–5.8 MM, WIDTH 1.3–1.7 MM. SeTAe VeRY lONg TO SHORT. PROTHORAX ( FIg. 2g ) WITH 11 prns , 4 OF THeM PlAceD clOSe TO SPIRAcle. MeSO- AND MeTATHORAX ( FIg. 2g ) eAcH WITH 1 SHORT prs AND 4 pds , AlMOST eQUAl IN leNgTH, eps MeDIUM lONg. EAcH PeDAl AReA WITH 5 pda , DIFFeReNT IN leNgTH. AbD. VIII ( FIg. 4g ) WITH 1 VeRY SHORT prs AND 3 pds; ts POORlY DeVelOPeD. Head . LIgHT bROWN, WIDe, WITH PARAllel SIDeS; WIDTH : 0.70–0.90 MM, leNgTH: 0.60–0.80 MM; eNDOcARINA ReAcHeS 1/3 THe leNgTH OF FRONS . Des 4 VeRY SHORT ( FIg. 5g ). Fs 1 AND fs 3 VeRY SHORT , fs 4 MeDIUM lONg, fs 5 lONg. Les 1 SHORTeR THAN les 2 . Ves 1-2 SHORT , POORlY DeVelOPeD. POSTePIcRANIAl AReA WITH 3 pes . STeMMATA DeVelOPeD. ANTeNNAl bASAl MeMbRANOUS ARTIcle WITH 5 bASIcONIc SeNSIllAe. LAbRUM ( FIg. 6g ) APPROXIMATelY 4.3 TIMeS AS WIDe AS lONg; ANTeRIORlY SlIgHTlY ROUNDeD; 3 PAIRS OF ams , DIFFeReNT IN leNgTH, MeDIAN PAIRS 3 TIMeS AS lONg AS lATeRAl SeTAe; 2 PAIRS OF als . LAbRAl RODS AlMOST PARAllel. ClYPeUS ( FIg. 6g ) 2.9 TIMeS AS WIDe AS lONg; ANTeRIOR AND lATeRAl MARgINS STRAIgHT; MeDIAN FURROW ReAcHeS 2/3 THe leNgTH OF clYPeUS; clss INVISIble. EPIPHARYNX ( FIg. 7g ) WITH 2 PAIRS OF als ; 2 PAIRS OF ams AND 2 PAIRS OF mes . MANDIble WITH 1 SHARP ADDITIONAl TOOTH (clOSe TO APeX) AND ONe PROTUbeRANce IN THe MIDDle. MAXIllA ( FIg. 8g ) WITHOUT mbs ; bOTH PAlPOMeReS eQUAl IN leNgTH, bASAl ONe DISTINcTlY WIDeR THAN DISTAl. PRAelAbIUM cORDIFORM , WITH 2 PAIRS OF ligs ; bASAl PAlPOMeRe SHORTeR AND WIDeR THAN DISTAl; pslb 3 AlMOST HAlF THe leNgTH OF THe ReMAININg SeTAe.