Scirtes albamaculatus Watts, 2004

Watts, Chris H. S., Cooper, Steven J. B. & Saint, Kathleen M., 2017, Review of Australian Scirtes Illiger, Ora Clark and Exochomoscirtes Pic (Coleoptera: Scirtidae) including descriptions of new species, new groups and a multi-gene molecular phylogeny of Australian and non-Australian species, Zootaxa 4347 (3), pp. 511-532 : 520-522

Scirtes albamaculatus Watts, 2004

( Figs 6 , 21 , 25 )

Supplementary description. Male. Tergite 8: transverse, apical portion with a few small setae, apodemes strongly sclerotized, about twice as long as apical portion, diverging basally. Tergite 9: apical portion relative large, moderately long seta on apical margin; apodemes strongly sclerotized, about as long as apical portion, diverging basically. Sternite 9 small, broadly bilobed, apex with a few long setae, apodemes short, merging. Aedeagus complex, asymmetric, basal piece greatly reduced, trigonium relatively broad, weakly sinuate, apex pointed, one edge with well-developed setae; parameroids absent (possibly represented by irregular projections on anterior edge of basal piece). Tegmen well developed, parameres well developed, long, thin, robust, and connected at their bases by a narrow stirrup-like bridge which partially surrounds the penis, one side of bridge fused to penis ( Fig. 21 ).

Female. Apices of elytra with a transverse, bare, depression surrounded by slightly longer setae (excitator of Ruta 2008) ( Fig. 25 ). Coxites elongate, styli small, oval, apodemes long, simple, prehensor weakly sclerotised broad with two thin serrated lateral ridges, bursal sclerite moderately sclerotized, signet-ring-shaped with or without an internal prong ( Fig. 6 ).

Specimens examined. 6, ‘Eubenangee Swamp, Queensland, at light, 13/3/13, CHS Watts’. Notes. A relatively rare species so far known only from coastal swamps of North Queensland. Larva not known.

Figures

FIGURES 6 – 10. Prehensor and bursal sclerite of: 6) Scirtes albamaculatus; 7) S. exoletus; 8) S. nigerpalpus; 9) S. orientalis; 10) S. zwicki.

FIGURES 17 – 22. Tegmen and penis of: 17) Scirtes auratus; 18) S. serratus; 19) S. interstinctus; 20) S. lynnae; 21) S. albamaculatus. 22) Penis of S. pinjarraensis.

FIGURES 23 – 28. 23) Male terminalia of Scirtes zwicki: a) tergite 8, b) tergite 9, c) sternite 9, d) trigonium, e) tegmen. 24) Habitus photograph of Scirtes zwicki; 25) ditto, ♀ S. albamaculatus. 26) Clypeolabrum of last instar larva of S. lynnae; 27) ditto, S. serratus; 28) ditto, S. triangularis.