Cladocalon histrionicum ( Gorham, 1884 ) Nascimento & Bocakova, 2022

Nascimento, Elynton Alves Do & Bocakova, Milada, 2022, Cladocalon, a new genus of net-winged beetles from Central America and Mexico (Coleoptera: Lycidae), Zootaxa 5124 (5), pp. 577-584 : 580

Cladocalon histrionicum ( Gorham, 1884) comb. nov.

Figs. 2, 4, 10 – 11 , 18

Type material: Lectotype, male, GUATEMALA: “ Cerro Zunil , 4 – 5000 ft., Champion.”. Secondary labels: “ B.C.A.Col. III.(2). Calocladon histrionicum .” “ Calocladon histrionicum Gorham ” (handwritten) “Type” (rededged circle) “Type., Sp. Figured. ” [syntype] ( NHMUK) . Paralectotypes, female, GUATEMALA: “ Cerro Zunil , 4 – 5000 ft., Champion.”. Secondary labels: “ B.C.A.Col. III.(2). Calocladon histrionicum .” “ SYNTYPE ” (blue-edged circle); female, GUATEMALA: “El Zumbador, 2500 ft., Champion.” “ B.C.A.Col. III.(2). Calocladon histrionicum .” “ Calocladon histrionicum Gorham ” (handwritten); female, same data .

Diagnosis. C. histrionicum can be differentiated mainly by elytra dark brown with yellow stripes restricted to humeral region, branch of the third antennomere 1.6× longer than antennomere, and the shape of male genitalia with parameres slight divergent medially presenting single apical deeply projected hook.

Redescription. Pronotum dark brown with lateral sides yellow. Elytra dark brown with yellow humeral stripes restricted to humeral region ( Fig. 18 ). Trochanters brown, femur and tibiae dark brown.

Eyes large, eye diameter 1.9× longer than interocular distance. Antennomere 5 weakly (1.1×) longer than 4 and 1.2× longer than 3. Branch of antennomere 3 1.6× longer than antennomere. Mandibles arcuate. Labial palpi short, terminal palpomere rounded apically. Terminal palpomere of maxillary palpi constricted distally, palpomere 2 moderately (1.2×) longer than 4 and 2.2× longer than 3 ( Fig. 2 ). Pronotum 1.1× wider than long medially, anterior angles rounded ( Fig. 4 ). Elytra 4× longer than humeral width, intercostal intervals with mostly irregular small square cells. Prosternum transverse. Trochanters as long as third of femur length, tibiae as long as femur. Phallus constricted at apical 1/3 and broad medially, narrower than phallobase in ventral view, forming phallic folding projected ventrally in lateral view. Phallus distally narrow and rounded. Parameres slight divergent medially with single apical deeply projected projection. Phallobase as long as third of phallus ( Figs. 10–11 ). Body length: 7.0 mm, humeral width: 1.7 mm.

Distribution: Guatemala.

Comments: As the syntype series is composed of 2 species, according to ICZN (Art. 74.1, 74.7) the lectotype (male) is here designated to become the name-bearing type of Calocladon histrionicum Gorham, 1884 . Simultaneously, 2 female paralectotypes are designated, other syntypes belong to a new genus.

Figures

FIGURES 1–15. 1. male antennae of Cladocalon mexicanus sp. nov. 2. Terminal maxillary palpi of C. histrionicum comb. nov. 3–4: Pronotum. 3. C. chiriquense comb. nov., 4. C. histrionicum. 5. Male abdominal sternum 9 of C. chiriquense. 6-15: Male genitalia (lateral and ventral views, respectively). 6–7. C. chiriquense. 8–9. C. bugabense sp. nov.10–11. C. histrionicum.12–13. C. mexicanus sp. nov. 14–15. C. guatemalense sp. nov. Scales: 0.25 mm (Fig. 2), 0.5 mm (Figs. 1, 3-15).

FIGURES 16–20. Habitus: 16. Cladocalon chiriquense comb. nov. 17. C. bugabense sp. nov. 18. C. histrionicum. comb. nov.19. C. mexicanus sp. nov. 20. C. guatemalense sp. nov. Scales: 1.0 mm.