Dr. Murai Éva szerk.: Parasitologia Hungarica 23. (Budapest, 1990)

Table 8 Metric data of Southwellina hispida from Egretta alba (L.) - N 12334 CHARACTERISTICS 1,7 (males

) 2 ,3,4,5,6,8,9, (

females) 10 CHARACTERISTICS n min-max x n min-max x Total length: 2 6.70-7.50 7 10 4 8.43-10.06 9.15 Trunk: length 2 5.79-6.06 5 93 8 6.33-12.50 8.47 max. width 2 1.38-1.14 1 35 7 1.29- 1.98 width of posterior part 2 0.60-0.84 0 72 8 0.75- 1.11 0.88 1st armed trunk zone: length : 0.25-0.30 3 0.23- 0.30 0.26 length of spines 0.0225-0.0275 1 0.016-0.0175 2nd armed trunk zone: length 2 0.50-0.78 0 67 8 * 0.65-0.96 0.835 Number of longitudinal rows of spine 2 70-84 77 6 72-92 85 Number of spines in each row 2 8-10 8 10-12(13) Length of spines 2 0.0175-0.0375 8 0.010-0.0375 Unarmed zone of spine: length 2 0.13-0.23 5 0.14- 0.27 Proboscis : length 2 0.90-0.91 0 905 3 0.86- 0.95 0.91 width of anterior part 2 0.188-0.225 0 206 6 0.219-0.260 0.237 max. width 2 0.263-0.338 0 300 6 0.270-0.375 0. 350 width of basal part 2 0.194-0.225 0 .210 5 0.206-0.256 0.232 +Hooks

: Number of longitudinal rows of hooks 2 19-20 8 20-21 Number of hooks in each row 2 16-17(15) 3 16 Neck: length 1 0.350 2 0.45-0.45 0.45 width 1 0.480 3 0.51-0.60 0.57 Proboscis receptacle: length 2 1.32-1.58 1 .45 1 1.20 width 2 0.373-0.420 0 .397 Lemnisci : length 2 1.56-1.58 1 .57 3 1.55-1.80 1.67 width 2 0.21-0.24 0 .22 Genitals: testes (2) length x width 2 0. 60x0.50 Cement glands (4) length 1 1.80 Ducts of cement glands (2) length 1 0.90 Genital bursa: length 1 1.05 Eggs : length 8(10) 0.106-0.137 0.121 width 8(10) 0.030-0.037 0.0327 + The measurements of hooks are given in Table 9