Chnoodes tarsalis Weise 1904
Creators: name: Krüger, Thaysa C.
name: Castro-Guedes, Camila F.
name: Almeida, Lúcia M.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Coccinellidae
Chnoodes
Chnoodes tarsalis

description: Chnoodes tarsalis Weise, 1904
(Figure 6)
Chnoodes tarsalis Weise, 1904: 197; Korschefsky, 1932: 226; Blackwelder, 1945: 450.
Material examined. TRINIDAD AND TOBAGO: Trinidad: Morne Bleu, Trinidad, W. I., 2700’, 21.VIII.1969, H. & A. Howden leg., 1 specimen (USNM). BRAZIL: Brasil, Dalbonzo leg., 1 specimen (ZMUC). Mato Grosso: Chapada Guimarães, 25.XI.1983, Dptº Zool. UF - Paraná, Exc. Dep. Zool - UFPR (Polonoroeste) leg., 2 specimens (DZUP); Poconé, 28.III.1998, Arm. Mal. Acuri, 1 specimen (DZUP). Goiás: Dianopólis, 16–22. I.1962, 1 specimen; 11–14.I.1962, J. Bechyné leg., 1 specimen (DZUP). Minas Gerais: Lagoa Santa, R., 3 specimens (ZMUC); Lagoa Santa, R., Chnoodes tarsalis Weise det. R. Gordon 86, 1 specimen (ZMUC); Lagoa Santa, Rhds., 2 specimens (ZMUC); Santa Rita de Caldas, XII.1953, Pe. Pereira leg., 1 specimen (DZUP). Espírito Santo: Buenos Aires, 10 km W de Guarapari, 500 m, 6.I.1996, GAR Melo leg., 1 specimen (DZUP); Guarapari, IX.1960, M. Alvarenga leg., 1 specimen (DZUP). Rio de Janeiro: Rio de Janeiro (Represa Rio Grande), Dptº Zool. UF - Paraná, 13.X.1967, F. Oliveira leg., 1 specimen (DZUP). São Paulo: São Sebastião (Barra do Una) 8.VII. 961, K. Lenko leg., 1 specimen (MZSP); Batêa (?) 5–8. XI.1940, 1 specimen; 2.XI.1940, 1 specimen, F. Lane leg. (MZSP); Cananéia, 5–6.VI.1976, L.R. Fontes leg., 1 specimen (MZSP); Caraguatatuba (Reserva Florestal), 40 m, VII.1965, Exp. Dep. Zool., 1 specimen (MZSP); Itú, II.959, Col. U. Martins leg., 1 specimen (MZSP); Salesópolis (Estação Biológica Boracéia), 30.IV.1973, Jorge & Vanin leg., 1 specimen (MZSP), São José do Barreiro (Serra da Bocaina), 1650 m, XI.1968, Alvarenga & Seabra leg., 1 specimen (MZSP); São Paulo, IV.1954, Coleção J. Lane, J. Lane leg., 1 specimen (MZSP). Paraná: Castro (Estrada Castro-Tibagi Km 110), 24º45’57” S 50º09’00” W, altitude 1121 m, 8.IX.2007, P. Grossi & D. Parizotto leg., 1 specimen (DZUP); Ponta Grossa, Guarda chuva, IX.1944, 1919, Coleção F. Justus Jor, V. Vilella leg., 4 specimens (DZUP). Santa Catarina: Corupá (Rio Vermelho), III.1952, 2 specimens; X.1952, 1 specimen, Dirings leg. (MZSP); Imbituba (Praia do Rosa), 01.I.2001, R. Araujo leg., 1 specimen (FZRS); Seara (Nova Teutônia), 27º11’ B 52º23’ L, 6.XII.1939, Fritz Plaumann leg., 1 specimen (DZUP); Seara (Nova Teutonia), 27º11’ B 52º23’ L, 300–500 m, XI.1976, Fritz Plaumann leg., 1 specimen (DZUP). Rio Grande do Sul: Cambará do Sul, 25.XI.1993, A. Bonaldo leg., 1 specimen; 19–21.XII.1994, L. Moura leg., 1 specimen (FZRS); Canela (Barragem dos Bugres), 04.XI.1998, L. Moura eg., 1 specimen (FZRS); Derrubadas (Parque Estadual do Turvo), 21.X.2004, R. Ott leg., 1 specimen (FZRS); Torres (Parque Estadual de Itapeva), 13.I.2005, L. Moura & I. Heydrich leg., 1 specimen; L. Moura leg., 1 specimen (FZRS).
Male. Length 2.60–3.00 mm, width 2.12–2.68 mm. Body oval, with sparse white pubescence. Pronotum and elytra metallic dark-brownish, anterior border castaneous (Figs 6 A–D). Head, antennae and mouthparts black or dark brown. Meso-, metasternum and epipleuron black. Tarsomeres light brown, last three abdominal ventrites dark brown (Fig. 6 B). Genitalia with basal lobe symmetrical, enlarged, shorter than parameres, apex bluntly pointed (Fig. 6 E). Parameres two times longer than basal lobe (Fig. 6 F). Sipho turned outward at apex, emarginate, siphonal capsule short and wide (Fig. 6 G).
Female. Length 2.64–3.06 mm, width 2.24–2.60 mm. Genitalia with genital plates rectangular, elongate, styli with setae (Fig. 6 H). Spermatheca C-shaped, with apex emarginate (Fig. 6 I).
Geographical Distribution. Trinidad and Tobago; Brazil (MT, GO, MG, ES, RJ, SP, PR, SC).
Remarks. Chnoodes tarsalis (Fig. 6) is similar to C. discomaculata (Fig. 3) in color pattern, but is clearly distinguished by the metallic dark-brownish color of the pronotum and elytra; it also differs from this species in the shape of the male and female genitalia.
description: Published as part of Krüger, Thaysa C., Castro-Guedes, Camila F. & Almeida, Lúcia M., 2016, Two new species of Chnoodes Chevrolat (Coleoptera: Coccinellidae) from Brazil, pp. 269-283 in Zootaxa 4078 (1) on pages 278-279, DOI: 10.11646/zootaxa.4078.1.24, http://zenodo.org/record/260660