Table 3 Comparative data for the main morphological features of the male genitalia of species of the Atratus Group

Cx. atratus

Simple

Short

With slender apex, without peduncle

Subtriangular, with pointed inner process

Long, narrow

With 4 or 5 flattened, long, broad, curved setae

Simple

Long

Cx. caribeanus

Simple

Long

With slender apex and short peduncle

Subtriangular, with pointed inner process

Short, narrow

With 4 or 5 long, filiform setae

With broad, long, pointed projection

Long

Cx. columnaris n. sp.

Long, divided subapically

Medium-sized

With wide apex, without peduncle

Irregular with rounded prominence

Short, narrow

With 2 short, hyaline setae

Simple

Long

Cx. comptus n. sp.

Simple

Long

With wide apex, without peduncle

Subtriangular, with less pointed inner process

Very short

With 3 or 4 median, filiform setae

Simple

Long

Cx. dunni

Simple

Short

With slender apex, without peduncle

Elongate, sinuous, with pointed, narrow inner process

Long, narrow

With few short, filiform setae

With spicules

Long

Cx. ensiformis

Simple

Short

With slender apex and short peduncle

Subtriangular, with less pointed inner process

Long, narrow

With 3 or 4 short, filiform setae

With small convexity

Short

Cx. exedrus

Simple

Short

With slender apex, without peduncle

Elongate, sinuous, with pointed inner process

Long, narrow

With few short, filiform setae

–

Long

Cx. longistylus n. sp.

Simple

Long

With slender apex, without peduncle

Subtriangular, with pointed inner process

Short, narrow

With 3 or 4 hyaline, filiform setae

Simple

Long

Cx. loturus

Simple

Medium-sized

With slender apex and long peduncle

–

Long, broad

With several short, filiform setae

Simple

Long

Cx. longisetosus n. sp.

Simple

Long

With slender apex, without peduncle

Subtriangular, with less pointed inner process

Short, tiny

With 4 large, spatulate setae

Simple

Long

Cx. spinifer n. sp.

Simple

Short

With slender apex, without peduncle

Subtriangular, with less pointed inner process

Long, broad

With 2 hyaline, filiform setae

With spicules

Short

Cx. trigeminatus

Simple

Medium-sized

With slender apex and short peduncle

Subtriangular, with pointed inner process

Long, less broad

With several short, filiform setae

With short, pointed projection

Long

Cx. zeteki

Simple

Medium-sized

With slender apex and long peduncle

Irregular, with rounded proeminence

Long, broad

With several short, filiform setae

Simple

Long