Cyclocaccus laeticulus, Sharp, 1891

Hisamatsu, Sadatomo, Bayless, Victoria M. & Carlton, Christopher E., 2016, Revision ofCyclocaccusSharp (Coleoptera: Nitidulidae: Nitidulinae), The Coleopterists Bulletin 70 (4), pp. 825-870 : 825-870

KEY TO THE SPECIES OF THE C. LAETICULUS

SPECIES- GROUP

1. Pronotum same color as elytra ( Fig. 1A ) ..... ................ C. clinei Hisamatsu , new species

1′. Pronotum different color from elytra ( Fig. 1B, D–F, H–L ) .................................................... 2

2. Antennal segment XI with 1 antennal sensilla ( Figs. 7C , 8C , 9C ) .............................. 3

2′. Antennal segments XI with 2 antennal sensillae ( Figs. 3C , 4E , 5G , 6G ) ............... 5

3. Apex of tegmen acuminate in ventral view ( Fig. 9A ) ................ C. epakros Hisamatsu , new species

3′. Apex of tegmen truncate in ventral view ( Figs. 7A , 8A ) ............................................ 4

4. Abdominal tergite VII with maculation at midline ( Fig. 1K ); lateral margins of gonocoxites curved outwardly ( Fig. 8D ) ...... ........ C. maculatus Hisamatsu , new species

4′. Abdominal tergite VII without maculation at midline ( Fig. 1J ); lateral margins of gonocoxites straight ( Fig. 7D ) ...................... .... C. costaricensis Hisamatsu , new species

5. Apices of gonocoxites shallowly incised ( Fig. 4F ) ...................... C. laeticulus Sharp

5′. Apices of gonocoxites deeply incised ( Figs. 5H , 6H ) .................................................................. 6

6. Apex of median lobe acuminate ( Fig. 5B, D, F ) ............. C. speciosus Hisamatsu , new species

6′. Apex of median lobe widely rounded ( Fig. 6B, D, F ) ............................... C. monticola Sharp

Figures

Fig. 1. Dorsal habitus of Cyclocaccus species in the C. laeticulus species-group. A) C. clinei, holotype, B) C. laeticulus, holotype, C) C. laeticulus, holotype, labels, D) C. laeticulus, Venezuela, E) C. speciosus, holotype, F) C. monticola, lectotype, G) C. monticola, lectotype, labels, H) C. monticola, Guatemala, I) C. monticola, Bolivia, J) C. costaricensis, holotype, K) C. maculatus, holotype, L) C. epakros, holotype. Scale bars = 1 mm.

Fig. 7. Cyclocaccus costaricensis, Costa Rica. A) Tegmen, ventral view, B) Median lobe, ventral view, C) Right antenna, ventral view, D) Ovipositor. Scale bars = 0.1 mm.

Fig. 8. Cyclocaccus maculatus, Mexico. A) Tegmen, ventral view, B) Median lobe, ventral view, C) Right antenna, ventral view, D) Ovipositor. Scale bars = 0.1 mm.

Fig. 9. Cyclocaccus epakros, Guerrero, Mexico. A) Tegmen, ventral view, B) Median lobe, ventral view, C) Right antenna, ventral view, D) Ovipositor. Scale bars = 0.1 mm.

Fig. 3. Cyclocaccus clinei, Costa Rica. A) Tegmen, ventral view, B) Median lobe, ventral view, C) Right antenna, ventral view, D) ovipositor. Scale bars = 0.1 mm.

Fig. 4. Cyclocaccus laeticulus. A, C) Tegmen, ventral view, B, D) Median lobe, ventral view, E) Right antenna, F) Ovipositor. A–B, E–F from Costa Rica specimen; C–D from Venezuela specimen. Scale bars = 0.1 mm.

Fig. 5. Cyclocaccus speciosus. A, C, E) Tegmen, ventral view, B, D, F) Median lobe, ventral view, G) Right antenna, ventral view, H) Ovipositor. A–D, G–H from Guyana specimens; E–F from Bolivia specimen. Scale bars = 0.1 mm.

Fig. 6. Cyclocaccus monticola. A, C, E) Tegmen, ventral view, B, D, F) Median lobe, ventral view, G) Right antenna, ventral view, H) Ovipositor. A–B, G from Guatemala; C–D from Honduras specimen; E–F from Bolivia specimens. Scale bars = 0.1 mm.