Key to Male Members of the Anacroneuria aymara Complex

1 Dorsal keel lines touch near midlength (Fig. 5) ………..……….……….………………………….… 2

1’ Dorsal keel lines completely separated throughout length (Fig. 5, Maldonado et al. 2002) ……………………………………...…………….…. 4

2 Lateral margins of aedeagus convergent from shoulders to tip (Fig. 3) …………………… barinas

2’ Lateral margins of aedeagus relatively straight from shoulders to tip (Fig. 17, Zúñiga & Stark 2002) …………………………………………..……. 3

3 Dorsal keel lines much more widely divergent anteriorly than posteriorly; hooks subchelate; lateral margins of aedeagus slightly constricted near apex (Figs. 17 -19 in Zúñiga & Stark 2002) …………………………………………….….…. toni

3’ Dorsal keel lines diverge to a similar degree anteriorly and posteriorly; hooks slender; lateral margins of aedeagus not constricted subapically (Figs. 22 -24, Zúñga & Stark 2002) …………... ricki

4 Lateral margins of aedeagal apex more or less parallel at least near tip (Fig. 3, Stark et al. 2012) ………………………………………………...……. 5

4’ Lateral margins of aedeagal apex convergent from shoulders to tip (Fig. 12, Stark & Sivec 1998) …………………………………………………….…. 8

5 Aedeagal apex notched; keel lines curved abruptly laterad near apex (Figs. 3-5, Stark et al. 2012) ……………………………….……..…. apuela

5’ Aedeagal apex truncate or rounded; keel lines not curved abruptly laterad near apex (Fig. 100, Stark et al. 1999) ………………………………………... 6

6 Lateral margins of aedeagal apex parallel to slightly convergent; lateral margins relatively straight (Figs. 98-100, Stark et al. 1999) …………………..………….……………….. portilla

6’ Lateral margins of aedeagal apex wider subapically than at the tip; lateral margins undulant from beyond hooks (Fig. 31, Zúñiga & Stark 2002) …………………………………….…. 7

7 Aedeagal tip wider than subapex; keel short, consisting of two lines (Fig. 29-31, Zúñiga & Stark 2002) ………………………….………... farallonensis

7’ Aedeagal tip narrower than subapex; keel lines relatively long, but consisting of two obscure beaded lines (Figs. 24-26, Zúñiga et al. 2007) ……………………………….…..………..… tatama

8 Dorsal keel lines widely spaced and abruptly bent outward near midlength; lateral margins of aedeagal apex slightly convergent from shoulders to tip (Fig. 14, Stark & Sivec 1998) …..……….….. 9

8’ Dorsal keel lines almost straight, or curved slightly outward; lateral margins of aedeagal apex distinctly convergent from shoulders to tip (Fig. 14, Zúñiga et al. 2006) ………………………….. 10

9 Aedeagal apex projecting beyond hooks in ventral aspect approximately triangular in outline, strongly convergent to tip (Fig. 14, Stark 1999) ………………………..……………..……….. chaima

9’ Aedeagal apex projecting beyond hooks in ventral aspect more gradually convergent with lateral margins almost parallel for part of length, and with broadly rounded apex (Figs. 12-14, Stark & Sivec 1998) …………………………………. aymara

10 Apex of aedeagus notched; keel lines narrowly separated (Fig. 14, Zúñiga et al. 2006) ………………………….………..……..…… chachis

10’ Apex of aedeagus truncate or rounded; keel lines more widely separated (Figs. 35-37, Stark 2001) ……………………………………………………. 11

11 Hooks subchelate; pronotal dark pigment bands together about as wide as pale median band (Figs. 1, 3, Maldonado et al. 2002) …………..….. segnini

11’ Hooks slender; pronotal dark pigment bands together much narrower than pale median band (Figs. 33, 35, Stark 2001) ……..………….. cotacachi