Ladoffa species

Key to males of Ladoffa species occurring in Mexico

1 Pronotum with a single black longitudinal band running from the anterior to the posterior margin ( Fig. 1B View Fig ); connective Y-shaped ( Fig. 1K View Fig ). .......................... .......................................... L. coccinea ( Fowler, 1900) View in CoL

– Pronotum with a pair of black or light bands; connective spatulate ( Fig. 1J View Fig ) or T-shaped ( Fig. 2I View Fig ). ............ 2

2 Crown with a black band running on midline ( Fig. 1D View Fig ); anterior margin of crown acute; pronotum with a subpentagonal spot emerging from the posterior margin and running to the anterior margin without touching it. ................................ L. guttata ( Signoret, 1854) View in CoL

– Crown without black bands; anterior margin of crown not particularly pointed; pronotum either without spot near the posterior margin or with a rounded spot. .... 3

3 Paraphysis articulated with aedeagus ( Fig. 1M View Fig ). ...... 4

– Paraphysis not articulated with aedeagus ( Figs 1L View Fig , 2G View Fig ). ........................................................................... 5

4 Aedeagus without processes (as in Fig. 1I View Fig ). ................. .......................................... L. lentiginosa Young, 1977 View in CoL

– Aedeagus with one process on ventral margin (as in Fig. 1H View Fig ). ........................... L. sannionis Young, 1977 View in CoL

5 Aedeagus tubular ( Figs 1H View Fig , 2E View Fig ), three or more times longer than wide. ...................................................... 6

– Aedeagus globose ( Fig. 1I View Fig ), 1.5 times longer than wide. ......................................................................... 7

6 Aedeagus with a pair of subapical processes and a single basal process ( Fig. 2E, F View Fig ). ....... L. tsibi sp. nov.

– Aedeagus with a single apical and a single basal process. ................................. L. dependens Young, 1977 View in CoL

7 Anterior margin of head conical ( Fig. 1F View Fig ); aedeagus with process. ........... L. purpurascens ( Fowler, 1900) View in CoL

– Anterior margin of head rounded ( Fig. 1A View Fig ): aedeagus without process. ................ L. cavillator Young, 1977 View in CoL