FIGURE 8. Argulus nattereri. A–N MALE, O–Q fEMALE. A DORSAL AND B VENTRAL VIEW C in A new species of Argulus (Crustacea, Branchiura, Argulidae) from the skin of catfish, with new records of branchiurans from wild fish in the Brazilian Pantanal wetland

FIGURE 8. Argulus nattereri. A–N MALE, O–Q fEMALE. A DORSAL AND B VENTRAL VIEW C DORSAL VIEW Of THE ANTERIOR REGION (ARROWS POINTING NAKED SETAE) D fIRST AND SEcOND ANTENNAE (WHITE ARROWS POINTING POSTANTENNAL SPINES, THE POWERfUL AND AcUTE SPINE ARISING fROM THE cARAPAcE AND SPINES ON THE VENTRAL SIDE Of cARAPAcE; bLAcK ARROWS POINTING THE SENSORIAL STRUcTURES Of fIRST AND SEcOND ANTENNAE) E SUcTION cUP F SUPPORT RODS Of SUcTION cUP G PREORAL STyLET (ARROWS SHOWING THE EXTREMITy Of THE STyLET) H bASAL PLATE Of SEcOND MAXILLAE (bLAcK ARROWS SHOWING TWO bIG AND AbOUT fIVE SMALL STOUT, SIMPLE SETAE ON PAD, AND THE THORAcIc AccESSORy SPINES; WHITE ARROWS SHOWING A cOARSE PEcTINATE ScALE) I MOUTH TUbE (ARROWS POINTING ScALES AND SENSILLA) J MANDIbLES WITHIN THE MOUTH TUbE K fIRST L SEcOND (DORSAL VIEW) AND M THIRD AND fOURTH LEGS (ARROWS SHOWING fLAGELLUM; S: SOcKET; P: PEG) N TAcTILE PAPILLAE O DORSAL AND P VENTRAL VIEW Q fIRST AND SEcOND LEGS (ARROWS SHOWING cOARSE-PEcTINATE ScALES. ScALE bAR = 1.0MM (A, B, O, P), 0.25MM (C, E, G, H, I, N), 0.1 (F, J, Q) 0.05MM (D, K, L, M)