Fissocantharis novemexcavatus ( Wittmer, 1951 )

Yang, Yuxia, Li, Limei & Yang, Xingke, 2015, Description of four new species related to Fissocantharis novemexcavatus (Wittmer, 1951) (Coleoptera, Cantharidae) from China, Zootaxa 4058 (3), pp. 362-372 : 363

Key to the species related to Fissocantharis novemexcavatus ( Wittmer, 1951) in males

1. Pronotum orange...................................................................................... 2

- Pronotum black....................................................................................... 4

2. Head black at posterior part of vertex; antennomeres III‒VI slightly roundly protuberant at outer apical angles..................................................................................... F. novemexcavatus ( Wittmer, 1951)

- Head uniformly orange; antennomeres III‒VI normal at outer apical angles........................................3

3. Antennomeres VII‒IX narrower ( Fig. 2 B), VII about twice as long as wide at apex, VIII not widened apically, distinctly longer than wide, IX about twice as long as maximal width...................................... F. safranekimima sp. nov.

- Antennomeres VII‒IX wider ( Fig. 2 C), VII about 1.2 times as long wide at apex, VIII widened apically, slightly longer than wide at apex, IX slightly longer than maximal width..................................... F. safraneki ( Švihla, 2004)

4. Antennomeres IX ( Fig. 2 F) parallel-sided, oblongly concaved on outer parts of dorsal sides....... F. novemoblonga sp. nov.

- Antennomeres IX with outer margins triangularly protuberant and slightly curled dorsally in middle, inner margins slightly sinuate, dorsal sides excavated on the whole surface of dorsal sides.............................................. 5

5. Head black at posterior part of vertex; antennomeres VII ( Fig. 2 D) truncated at outer apical angles; aedeagus: conjoint dorsal plate of parameres parallel-sided at basal one-third then strongly obliquely narrowed apically, narrowly rounded at apical margin............................................................................... .. F. septangula sp. nov.

- Head uniformly orange; antennomers VII ( Fig. 2 E) normal at outer apical angles; aedeagus: conjoint dorsal plate of parameres evenly narrowed apically and widely rounded at apical margin................................ F. guizhouensis sp. nov.

Figures

FIGURE 2. Male antennomeres VII ‒ IX, dorsal view: A. Fissocantharis novemexcavatus (Wittmer, 1951); B. F. safranekimima sp. nov.; C. F. safraneki (Švihla, 2004); D. F. septangula sp. nov.; E. F. guizhouensis sp. nov.; F. F. novemoblonga sp. nov. Scale bars: 0.5 mm.