Coilodes ovalis Robinson, 1948

Basílio, Daniel Silva, Vaz-De-Mello, Fernando Zagury, Cherman, Mariana Alejandra & Almeida, Lúcia Massutti de, 2023, A look beyond the colour: taxonomic revision of Coilodes Westwood, 1846 (Coleoptera, Hybosoridae), with the description of six new species, European Journal of Taxonomy 914 (1), pp. 1-53 : 34-37

Coilodes ovalis Robinson, 1948

Figs 9 , 14C

Coelodes ovalis Robinson, 1948: 32 (original description).

Coilodes ovalis – Allsopp 1984: 107 (checklist). — Perk et al. 2002: 14 (checklist). — Ocampo & Ballerio 2006: 191 (checklist).

Diagnosis

Similar to Coilodes castaneus , it is distinguished by the presence of bigger parameres, longer than half the tegmen size, and by the left paramere apex being not curved.

Type material

Holotype

VENEZUELA • ♀; El valle, D. F. ; G. Vivas-Berthier leg.; CUIC.

Additional material examined (36 ♂♂ and 68 ♀♀)

COLOMBIA – Bolivar • 5 ♂; Serrania de San Lucas ; 8°02′15″ N, 74°12′09″ W; Mar. 2019; Jorge A. Noriega leg. [pitfall trap, human faeces]; DZUP • 2 ♀; same collection data as for preceding .

VENEZUELA – Distrito Capital • 1 ♀; Caracas; Marcuzzi leg.; “S. 1550”; UCCC . – Yaracuy • 3 ♂♂; Bolivar, Aroa ; 10°00′00″ N, 68°00′00″ W; alt. 459 m; 19 Jul. 2009; M. Asmussen, P. Colmenares and H. Martinez leg.; [human faeces]; CEMT • 12 ♀♀; same collection data as for preceding • 1 ♂; same collection data as for preceding; DZUP • 1 ♀; same collection data as for preceding • 1 ♀; same collection data as for preceding; alt. 710 m; [human faeces bait]; CEMT • 1 ♀; same collection data as for preceding; 10°23′11.9″ N, 68°50′00″ W • 1 ♀; same collection data as for preceding; 10°20′21.98″ N, 68°50′6.03″ W; alt. 1362 m; [human faeces] • 1 ♂; same collection data as for preceding; 10°23′06.1″ N, 68°50′45.45″ W; alt. 1415 m • 1 ♂; same collection data as for preceding; 10.3867°N, 68.6471°W; alt. 1380 m; Jul. 2009; Asmussen, Colmenares and Martínez leg. • 7 ♀♀; same collection data as for preceding . – Vargas • 1 ♀; Vargas La Sabana; 10°35′47.90″ N, 66°16′49.94″ W; alt. 30 m; 20 Jul. 2009; H. Martinez, P. Cely, M. Córdova and M. Nuñez leg.; [human faeces bait]; CEMT . – Merida • 5 ♂♂; Sucre, Jaji ; 8°33′29.87″ N, 71°22′05.59″ W; alt. 1876 m; 8 Jul. 2009; D. Mora, P. Colmenares, M. Cordova and M. Nuñez leg.; [Chicken bait]; CEMT • 5 ♀♀; same collection data as for preceding • 1 ♂; same collection data as for preceding; CERPE • 1 ♀; same collection data as for preceding • 1 ♂; same collection data as for preceding; DZUP • 1 ♀; same collection data as for preceding • 1 ♂; same collection data as for preceding; 8°35′18.31″ N, 71°20′47.18″ W; alt. 2037 m; CEMT • 6 ♀♀; same collection data as for preceding • 1 ♂; same collection data as for preceding; CERPE • 1 ♀; same collection data as for preceding • 1 ♀; same collection data as for preceding; 8°35′11.65″ N, 71°20′48.3″ W; alt. 2041 m; CEMT • 1 ♀; Hacienda El Alto , Manzano Alto ; alt. 1600 m; 4 Jul. 1991; C. Porter and L. Stange leg.; cloud forest; CEMT • 17 ♂♂; Libertador, meseta de zumba , Hacienda Los Arcos ; 8°33′14″ N, 71°13′20″ W; alt. 1181 m; 6 May 2016; R. Accohacesncia and J. Gámez leg.; pitfall human feces; CEMT • 26 ♀♀; same collection data as for preceding .

Type locality

Venezuela (El Valle).

Redescription

Male

MEASUREMENTS. Length 5.5–6.7 mm. Width 2.9–3.8 mm. Body ( Fig. 9A–B ) convex, oval and shiny.

COLOUR. Body ranging from yellowish brown to dark brown; might have darker spots.

HEAD ( Fig. 9C–D ). Surface slightly strigulate. Frons, in dorsal view, subrectangular; one long tubercle in the middle; proximal border rounded; posterior margin narrower than the anterior; lateral margin with slightly rectangular entrance; disc strigulate. Eye barely visible dorsally. Canthus strong; distinct area expanded downwards. Clypeus subtrapezoidal; lateral margins weakly rounded; anterior borders rounded; apex straight; setae thin and sparse, throughout the anterior margin dorsally; disc strigulate. Labrum semicircular; curved medially; setae sparse, spreading along the entire dorsal border. Mandibles dorsally excavated, protruding beyond the apex of labrum. Labium with mentum subquadrate; inferior margin arched; lateral margins slightly rounded and superior margin curved in the middle; disc strigulate, long setae on the margins. Maxilla subtriangular; long setae throughout surface. Antenna with 10 antennomeres, antennal club with three antennomeres; club with basal antennomere cupuliform.

PRONOTUM ( Fig. 9E ). Convex; excavated medially; subtrapezoidal, posterior margin wider than anterior margin; anterior margin straight or arched, angles subacute; posterior margin rounded and weakly produced medially; lateral margin strongly convex, setae absent; punctures thin and sparse.

SCUTELLAR SHIELD. Subtriangular; setae and punctures absent; apex punctate.

ELYTRA. Double row of longitudinal thick punctures, sutural stria complete, formed by thick punctures.

VENTER ( Fig. 9B ). Hypomeral surface strigulate, setose; prosternum ( Fig. 9B, D ) elevated at midlength, transversally grooved; anterior margin rounded and jagged, mesoventrite and metaventrite smooth.

LEGS. Procoxa conical; surface strigulate. Protrochanter joint with the procoxa rounded, distally angulate. Profemur with posterior margin carinate. Protibia with inner margin convex; carinate; single spur, slightly curved at the apex; external margin with three larger teeth and series of smaller denticles along the entire margin. Protarsi with tarsal insertion beneath the protibial second tooth. Mesothoracic and metathoracic legs smooth. Mesotrochanter and metatrochanter subtriangular with bifurcated apex. Mesofemur and metafemur carinate on posterior margin. Mesotibia and metatibia with erect setae; apex weakly expanded; pair of spurs with sharp apex. Tarsi with five tarsomeres; tarsal claws toothed medially.

ABDOMEN. Six ventrites with recumbent setae.

GENITALIA ( Fig. 9F–K ). Lobe of tegmen absent; sclerotized region next to right paramere base; parameres asymmetrical, dislocated to ventral region; right paramere with rounded edges, base wider than the apex; left paramere wider than the right one, wide base and curved apex.

Female

Length 5.2–7.1 mm. Width 3.0–4.0 mm.

Geographical distribution

Colombia (Bolivar); Trinidad and Tobago; Venezuela (Yaracuy, Vargas, Distrito Capital, Miranda and Mérida) ( Fig. 14 C ) ( Robinson 1948; Perk et al. 2002; label data).

Biological data

Species collected in: human and bovine faeces; and in chicken meat (label data).

Figures

Fig. 9. Coilodes ovalis Robinson, 1948, three ♂♂ from Jaji, Sucre, Venezuela, two at CEMT (first A, C–D; and second B, E), and one at DZUP (F–G, J–K); and graphical representation (H–I). A. Body, dorsal view. B. Body, ventral view.C. Head, dorsal view. D. Head, ventral view.E. Pronotum, dorsal view. F–K. Male genitalia. F. Dorsal view. G. Ventral view. H. Right paramere. I. Left paramere. J. Right side. K. Left side. Scale bars: A–B = 1 mm; C–E = 0.5 mm; F–K = 0.2 mm.

Fig. 14. Distribution map of species of Coilodes Westwood, 1846. A. Coilodes bezerrai Basílio & Vazde-Mello sp. nov.; Coilodes castaneus Westwood, 1846; and Coilodes edeiltae Basílio & Vaz-de-Mello sp. nov. B. Coilodes fumipennis Arrow, 1909; Coilodes humeralis (Mannerheim, 1829); and Coilodes lunae Basílio & Vaz-de-Mello sp. nov. C. Coilodes mayae Basílio & Vaz-de-Mello sp. nov.;Coilodes niger (Mannerheim, 1829) stat. rev.; Coilodes ovalis Robinson, 1948; and Coilodes parvulus Westwood 1846. D. Coilodes punctipennis Arrow, 1909; Coilodes ravii Basílio & Vaz-de-Mello sp. nov.; and Coilodes skelleyi Basílio & Vaz-de-Mello sp. nov.