Neolyrium iquitosense, Nascimento & Bocakova & Cep, 2016

Nascimento, Elynton Alves do, Bocakova, Milada & Cep, Brazil -, 2016, A new species of neotenic Neolyrium from Peru (Coleoptera: Lycidae), Acta Entomologica Musei Nationalis Pragae 56 (2), pp. 721-724 : 722-723

Neolyrium iquitosense sp. nov.

Type material. HOLOTYPE: ♁, PERU: Amazon , Iquitos ; xii.1997 Lowland forest ; Rio Napo - Rio Sucusari; 3°96′46″S: 73°15′49″W; coll. MVL Barclay; BMNH {E} 2003-49 ( BMNH).

Description. Body, pronotum, and elytra brown ( Fig. 3 ). Antennae brown, terminal antennomere presenting distal portion yellow ( Fig. 3 ). Legs brown, distal 1/4 of trochanter and proximal 1/5 of femur yellow. Eye diameter as long as interocular distance. Antennae paralel-sided, antennomere 3 1.2× longer than 4 and 1.1× longer than antennomere 5. Antennae reaching elytral midlength. Labial palpi considerably reduced, maxillary palpomere 2 elongate, 2.2× longer than 3 and 1.3× longer than palpomere 4. Palpomere 4 distally pointed. Mandibles reduced. Pronotum trapezoidal, 1.4× wider than long medially, anteriorly almost right angled, posterior angles produced transversely. Pronotum presenting median longitudinal carina forming shallow areola in 2/4 to 3/4, posterior margin of pronotum bisinuate. Scutellum with distal emargination. Elytra elongate, widened in distal 3/4, 3.5× longer than humeral width. Each elytron with 3 conspicuous longitudinal costae, costae 2 and 4 reaching apex, costae 1 absent in apical 1/3, costae 3 hardly noticeable, restricted to humeral portion. Prosternum triangular, mesoventrite transverse, trapezoidal. Male abdominal ventrite 8 short, rounded distally and proximally. Trochanters elongate, cylindrical, as long as half femur length, tibiae 1.4× longer than femur. Phallus straight in ventral view ( Fig. 1 ), distal half arcuate ventrally in lateral view ( Fig. 2 ). Parameres broadly connected basally, pointed apically, as long as phallus. Phallobase wider than parameres in ventral view and almost as long as phallus. Body length: 4.8 mm, humeral width: 1.15 mm.

Differential diagnosis. Neolyrium iquitosense sp. nov. differs from N. duidaense mainly in the following characters: antennomere 3 longer than 4 (while N. duidaense presents antennomere 3 shorter than 4), body generally broader than in N. duidaense , legs robust, distal half of phallus bent ventrally (while phallus is entirely straight in N. duidaense ), parameres as long as phallus (while parameres are short in N. duidaense ), and phallobase wider than parameres in ventral view (while phallobase of N. duidaense is slenderer than width of parameres).

Etymology. The species name is latinized adjective iquitosensis (- is, -e) derived from the collection site.

Distribution. Peru.

Figures

Figs 1–3. Neolyrium iquitosense sp. nov.1–2 – male genitalia (1 – ventral view, 2 – lateral view); 3 – habitus. Scales: 0.5 mm (Figs 1–2), 1.0 mm (Fig. 3).