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 Charagmus gressorius (Fabricius, 1792) ( FIgS 27–29b ) Body . LeNgTH: 7.5–9.4 MM, MAXIMUM WIDTH (AT THe leVel OF PROcOXAe): 4.3–5.0 MM, HeAD WIDTH (AT THe leVel OF eYeS): 1.3–1.5 MM, PROTHORAX WIDTH (AT WIDeST PlAce): 1.8–2.0 MM (♀, ♂). EYeS SlIgHTlY cONVeX. BODY MODeRATelY elONgATe, RATHeR SleNDeR, WHITe. PRONOTUM TRAPeZIUM-SHAPeD, APPROXIMATelY 1.3 TIMeS AS WIDe AS lONg. MeTANOTUM A lITTle lONgeR THAN MeSONOTUM. AbD. I–VI OF AlMOST eQUAl leNgTH, AbD. VII SeMIcIRcUlAR, AbD . VIII NARROW, AbD. IX ReDUceD, DISTINcTlY SMAlleR THAN OTHeR SegMeNTS. UROgOMPHI SHORT, TRIANgUlAR, WeAklY ScleROTIZeD. Chaetotaxy . SeTAe ON HeAD OF UNeQUAl leNgTH AND SHAPe, bROWN OR DARk bROWN, ROSTRUM AND THORAX HAIR-lIke, bASeD ON PROTUbeRANceS, ON AbDOMINAl SegMeNTS HAIR- OR THORN-lIke, PlAceD ON DISTINcT PROTUbeRANceS. ROSTRUM WITH FOUR PAIRS OF rs 1-4 ; HeAD cAPSUle beARINg 1 vs , 3 sos 1-3 , 2 os 1-2 AND 2 pas 1-2 , eAcH MANDIbUlAR THecA WITH A SMAll SeTA ( mts ) ( FIgS 27b, 29b ). PRONOTUM WITH 2 as 1-2 , 2 ds 1-2 , ls , 2 sls 1-2 AND 2 pls 1-2 ( FIgS 28b, 29b ). All SeTAe OF PROTHORAX PlAceD ON SMAll PROTUbeRANceS, SHORT, eQUAl IN leNgTH (eXcePT ls , THAT IS A lITTle SMAlleR THAN THe ReMAININg SeTAe). CHAeTOTAXY OF MeSOTHORAX cONSISTINg OF 4 PAIRS OF SHORT d 1-4 , PlAceD MeDIAllY AND ANTeROMeDIAllY ( FIg. 28b ). MeTATHORAX WITH 5 PAIRS OF SHORT SeTAe, DISTRIbUTeD RATHeR IRRegUlARlY. TeRgAl PARTS OF AbD. I–VII eAcH WITH 7 PAIRS OF SeTAe (5 PAIRS AlONg THe POSTeRIOR MARgIN, TWO lATeRAllY). SeTAe NO. 1, 3, 5 AND 6 A lITTle bIggeR THAN THe ReMAININg. AbD. VIII WITH 5 PAIRS OF SeTAe, DIFFeReNT IN leNgTH, AlONg THe POSTeRIOR MARgIN, AND ONe PAIR PlAceD ceNTRAllY ( FIgS 28b, 29b ). EAcH AbD. I–VIII WITH 2 PAIRS OF l 1-2 , PlAceD clOSe TO THe bORDeR OF TeRgUM ( FIg. 29b ). STeRNAl PARTS OF eAcH AbD. IV–VIII WITH 3 PAIRS OF VeRY SHORT v 1-3 , lOcATeD POSTeRIORlY ( FIgS 27b, 29b ). AbDOMINAl DORSAl SeTAe gRADUAllY INcReASINg IN SIZe FROM AbD. I TO VIII. AbD. IX VeNTRAllY WITH 2 PAIRS OF SHORT SeTAe, PlAceD MeDIAllY; NeXT 2 SeTAe lOcATeD DORSAllY ( FIgS 27b, 29b ). EAcH UROgOMPHUS beARS A PAIR OF MODeRATelY elONgATe SeTAe.