Alyculus wittmeri Bocakova, 2006

Ata, Va C L Av Pa L & K, L A D I S L Av B O C A, 2012, Revision of the genus Alyculus Kazantsev, 1999 (Coleoptera: Lycidae), Zootaxa 3564, pp. 61-67 : 66

Alyculus wittmeri Bocakova, 2006

( Figs 1, 3 , 12 )

Material studied. Holotype, male, Sumatra, Aceh prov., G. Leuser Nat. P., Ketambe, rainforest, 350 m, 3°41´N, 97°39´E, D. C. Darling, Malaise TP. ( LMBC).

Diagnosis. A. wittmeri differs from other known species in having the whole body light brown, and in male genitalia with slender parameres widest at basal fourth ( Fig. 12 ).

Redescription. Body tiny, light brown ( Fig. 1 ). Head small, with large eyes, eye diameter 1.19 times interocular distance. Antennae slender, filiform, antennomere 1 long, 2 small, 3 weakly longer than 1 ( Fig. 1 ). Mouthparts with mandibles reduced, labrum minute, maxillary palpi 4-segmented, apically pointed. Pronotum transverse, widest at basal margin, length at midline 2.04 times width at posterior margin, anterior margin straight, lateral margins strongly emarginate, posterior margin bisinuate ( Fig. 3 ); pronotal disc without carinae, shiny, with coarse punctures. Scutellum bilobed apically, distal tips projected obliquely backwards. Elytra shortened, tapering to apex, distal portion rounded. Elytra densely punctured, with no trace of costae or reticulate cells. Legs slender. Male genitalia with slender phallus widened basally ( Fig. 12 ).

Measurements. Body length 1.1 mm, humeral width 0.3 mm, pronotal length 0.12 mm, pronotal width 0.25 mm, length of elytra 0.4 mm, minimum frontal eye distance 0.084 mm, maximum eye diameter in lateral view 0.100 mm.

Distribution. Indonesia: Sumatra, Aceh Province.

Figures

FIGURES 1 – 8. General appearance: 1. Alyculus wittmeri Bocakova; 2. A. barclayi sp. nov. Pronotum: 3. A. wittmeri Bocakova; 4. A. tujuhensis sp. nov. Head, pronotum, and scutellum: 5. A. kurbatovi Kazantsev. Basal antennomeres: 6. A. barclayi sp. nov.; 7. A. tujuhensis sp. nov.; 8. A. kurbatovi Kazantsev. Scales 0.5 mm (Figs 1 – 2), 0.1 mm (Figs 3 – 8).

FIGURES 9 – 12. Male genitalia: 9. A. kurbatovi Kazantsev (redrawn from Kazantsev 1999, Fig. 4); 10. A. tujuhensis sp. nov. 11. A. barclayi sp. nov.; 12. A. wittmeri Bocakova. Scales 0.1 mm.