Typhlocybella Baker

Catalano, María Inés, Paradell, Susana Liria & Lenicov, Ana María Marino Remes, 2012, Revision of the genus Typhlocybella Baker, 1903 (Hemiptera: Cicadellidae: Typhlocybinae: Dikraneurini) and description of a new species from Argentina, Zootaxa 3164, pp. 57-63 : 58

Key to males of genus Typhlocybella Baker (excluding T. minuta (DeLong))

1. Male pygofer without processes. Aedeagus with pair of processes not extending well beyond apex of shaft............... 2

1’. Male pygofer with processes. Aedeagus with pair of ventral processes extending well beyond apex of shaft.............. 4

2. Male pygofer with notch in middle of posterior margin........................................................ 3

2’. Male pygofer without notch, with tiny spines on posterodorsal margin. Aedeagus with pair of lateral processes ( Fig. 3 and 4 ). Crown with pair of dark brown spots............................................ T. maculata Caldwell y Martorell

3. Aedeagus with pair of ventral processes; aedeagal apex bifurcated ( Fig. 12 ).................. T. parva . Ruppel y DeLong

3’. Aedeagus with pair of lateral processes projected dorsally, apex curved abruptly upward ( Fig. 6 )........... T. minima Baker

4. Male pygofer with dorsal spine-like process on caudal margin; aedeagus and aedeagal processes with several small spines ( Fig. 1 and 2 ).............................................................................. T. maidica Catalano

4’. Male pygofer with ventral process curved dorsally; aedeagus and aedeagal processes with few small spines ( Fig. 15 and 19 )........................................................................................... T. affinis n. sp.

Figures

FIGURES 1 – 6. Previously described Typhlocybella spp. 1 – 2) T. maculata; 3 – 4) T. maidica; 5 – 6) T. minima. Scale bar = 0,1

FIGURES 7 – 12. Typhlocybella parva Ruppel & DeLong 1953. Male: 7) sternal apodemes; 8) pygofer, lateral view; 9) subgenital plate; 10) style; 11) connective; 12) aedeagus. Scale bar = 0,1 mm.

FIGURES 13 – 22. Typhlocybella affinis n. sp. Male: 13) sternal apodemes; 14) tergal apodemes; 15) pygofer, lateral view; 16) subgenital plate; 17) style; 18) connective; 19) aedeagus. Female: 20) sternite VII; 21) large valve; 22) small valve. Scale bar = 0,1 mm.