Key to Cyriocosmus species

Females

(Females of C. bertae, C. blenginii and C. ritae are unknown)

1 With striped pattern on the dorsal abdomen (Figs 42–44) ......................................... (2)

­ Without striped pattern on the dorsal abdomen (Figs 40, 41).................................... (7)

2 Three clear stripes on each side of the dorsal abdomen, a longitudinal dark band on the ventral abdomen (Fig. 42) .................................................................................. C. leetzi

­ More than 3 clear stripes on each side of the dorsal abdomen, ventral abdominal area without a longitudinal dark band .............................................................................. (3)

3 Dorsal abdomen with 4 clear stripes on each side .................................................... (4)

­ Dorsal abdomen with 5 clear stripes on each side .................................................... (6)

4 Clear central area covering approximately 80% of the dorsal abdomen (Fig. 44).......... ...................................................................................................................... C. fasciatus

­ Clear central area covering less than 80% of the dorsal abdomen............................. (5)

5 Clear central area covering approximately 50% of the dorsal abdomen (Fig. 46) ......... ................................................................................................. C. fernandoi new species

­ Characteristic “heart shaped” clear central area pattern covering approximately 30% of the dorsal abdomen (Fig. 43) ..................................................................... C. elegans

6 Spermathecae with a sinuous neck, without caliciform seminal receptacle (Fig. 34); only the cephalic area dark (Fig. 45) .............................. C. nogueira­netoi new species

­ Spermathecae spiral with caliciform seminal receptacle (Fig. 36); cephalothorax with a blackish area covering the cephalic region and a large part of thoracic region (Fig. 47) ........................................................................................................................... C. chicoi

7 Cephalic area dark (Fig. 40) ....................................................................... C. versicolor

­ Cephalic area the same color as the cephalothorax (Fig. 49)........................ C. sellatus Male