Hoplasoma
Creators: name: Bezděk, Jan
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Chrysomelidae
Hoplasoma

description: Key to species of Hoplasoma of the Philippines
1. Males. Abdomen with a pair of processes from the posterior margin of the second ventrite and the last ventrite with a well defined smooth subquadrate area......................................................................... 2
- Females. Abdomen without processes and the last ventrite without the subquadrate area............................ 9
2. Base of abdominal appendages connected (Figs 11, 14, 15)..................................................... 3
- Base of abdominal appendages widely separated........................................................... 5
3. Abdomen yellowish brown. Processes long, reaching beyond base of ventrite 4, broad-based and divergent distally. Median lobe of aedeagus short and broad, 4.50-7.00 times as long as wide (measured across middle) (Figs 19, 22). Mindanao, Mindoro.................................................................................................... 4
- Abdomen black or mostly black. Processes short, reaching base of ventrite 4, triangular and subparallel. Median lobe of aedeagus long and narrow, 10.00 times as long as wide (measured across middle) (Fig. 23). Luzon... H. philippinense Jacoby
4. Abdominal processes short, reaching slightly beyond base of ventrite 4 (Fig. 14). Median lobe of aedeagus asymmetrical, with right side and apex slightly deflected (Fig. 22). Mindanao................................. H. mindanense Medvedev
- Abdominal processes long, reaching base of ventrite 5 (Fig. 11). Median lobe of aedeagus symmetrical (Fig. 19). Mindoro.................................................................................... H. konstantinovi sp. nov.
5. Distance between the bases of abdominal appendages longer than the length of appendage (Fig. 16). Median lobe of aedeagus subapically slightly widended (Fig. 24)..................................................... H. picifemora Allard
- Distance between the bases of abdominal appendages shorter than the length of appendage. Median lobe of aedeagus subapically not extended or distinctly widended............................................................ 6
6. Abdominal appendages triangular (Fig. 13). In dorsal view, median lobe of aedeagus wide basally, distinctly narrowed towards apex, slightly narrowed in the middle (Fig. 21)............................................. H. mcgregori sp. nov.
- Abdominal appendages parallel-sided. Median lobe of aedeagus in dorsal view with subapical part distinctly widened (Figs 20, 25) or almost parallel-sided (Fig. 18)...................................................................... 7
7. Abdominal appendages elongate triangular (Fig. 17). Subapical part of median lobe of aedeagus strongly widened (Fig. 25)........................................................................................ H. semperi sp. nov.
- Abdominal appendages parallel-sided. Subapical part of median lobe of aedeagus not or only slightly widened (Figs. 18, 20)..................................................................................................... 8
8. Abdominal appendages very thin, 5.3 times as long as wide (Fig. 12). Subapical part of median lobe of aedeagus slightly widended (Fig. 20). Mindanao, Sulu, Samar and Panaon...................................... H. magellani sp. nov.
- Abdominal appendages slightly wider, 4.5 times as long as wide (Fig. 10). Median lobe of aedeagus almost parallel-sided, apex widely rounded (Fig. 18). Sibuyan...................................................... H. bakeri sp. nov.
9. Abdomen yellow-brown............................................................................... 10
- Abdomen black or mostly black........................................................................ 11
10. Last ventrite narrower, twice as broad as long, apical convexity forms broad, simple obtuse angle (Fig. 30). Mindanao..................................................................................... H. mindanense Medvedev
- Last ventrite broader, 2.20 times as broad as long, apical margin medially convex with concavity on either side (Fig. 27). Mindoro......................................................................... H. konstantinovi sp. nov.
11. Apex of the last ventrite rounded or with blunt lobe.......................................................... 12
- Apex of the last ventrite with sharp triangular process....................................................... 14
12. Apex of the last ventrite strongly convex (Fig. 31).......................................... H. philippinense Jacoby
- Last ventrite with blunt lobe at middle third (Figs. 28, 32)................................................... 13
13. Blunt lobe at apex of last ventrite shorter, strongly transverse, with slightly convex apex (Fig. 28). Mindanao, Sulu, Samar and Panaon............................................................................. H. magellani sp. nov.
- Blunt lobe at apex of last ventrite longer, only slightly transverse, with distinctly truncate apex (Fig. 32). Luzon............................................................................................... H. picifemora Allard
14. Apical process of last ventrite narrowly acute (<45°), with deeply concave sides (Fig. 26). Sibuyan...... H. bakeri sp. nov.
- Apical process of last ventrite almost right-angled, with less concave sides (Fig. 29). Negros......... H. mcgregori sp. nov.
description: Published as part of Bezděk, Jan, 2012, Revision of Hoplasoma (Coleoptera: Chrysomelidae: Galerucinae) of the Philippines, with descriptions of five new species, pp. 1-19 in Zootaxa 3382 on pages 3-4, DOI: 10.5281/zenodo.210044