Laccophilus

Megna, Yoandri S., Deler-Hernández, Albert & Challet, Gilbert L., 2011, Description Of A New Species Of Laccophilus Leach (Coleoptera: Dytiscidae), With Notes On Other Cuban Species, The Coleopterists Bulletin 65 (3), pp. 213-226 : 218

KEY TO THE SPECIES OF MALE LACCOPHILUS

IN CUBA

1. Elytra irrorate (color applied as grains of sand) ( Figs. 4–6 ).....................................................2

1′. Elytra without irrorations ( Figs. 1–3 )...........4

2. Males without metacoxal file ......................... ........................ L. vacaensis vacaensis Young

2′. Males with metacoxal file..............................3

3. Elytron with distinct, transverse, uninterrupted, subbasal band ( Fig. 6 ); SBL= 3.70–4.00 mm ..................................... L. venustus Chevrolat

3′. Elytron without distinct, transverse, uninterrupted, subbasal band ( Fig. 4 ); SBL= 4.14– 4.56 mm ............................... L. proximus Say

4. SBL> 8.00 mm; elytra without fasciae ( Fig. 1 ) .................................... L. alariei , new species

4′. SBL <6.00 mm; elytra with fasciae ( Fig. 2 )......5

5. Elytra yellow, with 2 black fasciae, one posterior to middle and wide, another near apex and oblique ( Fig. 2 ); last abdominal segment rounded.................... L. bifasciatus Chevrolat

5′. Elytra brown, with 1 subbasal, yellow, and narrow fascia; last abdominal segment truncate or slightly rounded................................6

6. Male with metacoxal file weakly impressed; last abdominal segment with apex not produced; aedeagus with enlarged and rounded apex in lateral view ( Fig. 9E )......................... ................................. L. gentilis suavis Sharp

6′. Male without metacoxal file; apex of last abdominal segment produced; aedeagus with apex gradually narrowed and rounded in lateral view..... L. ovatus zapotecus Zimmerman

Figures

Figs. 1–6. Subschematic body shape and color patterns of Laccophilus species from Cuba. 1) L. alariei;

Figs. 8–9. Male genitalia of Cuban species of Laccophilus. 8) L. bifasciatus, A) Medial lobe of aedeagus, right lateral view, B–C) Right and left parameres in lateral view, D) Oval plate; 9) L. gentilis suavis, A) Medial lobe of aedeagus, right lateral view, B–C) Right and left parameres in lateral view, D) Oval plate.