Pelocoris subflavus Montandon, 1898

Viana, Renata Santos, Franco, Cleilton L., Ramos, Aiala Alana P., Mariano, Rodolfo, Silva De Azevêdo, Carlos A. & Stefanello, Fabiano, 2023, Pelocoris Stål, 1876 of northeastern Brazil (Hemiptera: Heteroptera: Naucoridae) first records and a key to the species, Zootaxa 5375 (2), pp. 193-213 : 203

Pelocoris subflavus Montandon, 1898

Pelocoris subflavus Montandon, 1898: 288–289 (original description)

( Figs. 6 , 7F, 7L , 8F , 9F , 10F , 11F , 12C , 15 )

Diagnosis: Body length 9.5–12.0 mm; posterolateral corners of abdominal segments III–VI with posterolateral corner rounded ( Fig. 8F ); male abdominal tergum VII with posterior margin concave medially, forming two small rounded lobes laterally ( Fig. 7F ) (Rodrigues et al., unpublished data); lateral margins of phallosoma straight, without grooves ( Fig.7L ) ( Nieser & Melo 1997); third abdominal sternum with a robust, spiniform median carina produced posteriorly.

Material examined: All specimens macropterous. 1 male, BRAZIL, Bahia, Maraú municipality, Maraú pool, 14°02'15.6"S 38°57'11.7"W, LOA 0003 , C. L. Franco, 2022 det. 3 males and 3 females, Maranhão, Caxias municipality, Guarimã stream, 4°48'45.1"S 43°29'29.0"W, 11.VIII.2022, M.A. G.Almeida, R. S. Viana, F. Stefanello, C. C. Martins colls., LEAq 00256, R. S. Viana, 2022 det. 1 male and 1 female, Codó municipality, pool, 4°35'09.0"S 43°57'27.2"W, 03.X.2019, C. L. Franco et al. colls., LEAq 00161, C. L. Franco, 2022 det .

Distribution: ARGENTINA ( López-Ruf et al. 2006). BRAZIL ( Montandon 1898): Bahia *, Maranhão *, Mato Grosso do Sul ( Floriano et al. 2013), Minas Gerais ( Nieser & Melo 1997; Pelli & Barbosa 1998; Melo & Nieser 2004; Souza et al. 2006), Rio de Janeiro ( Ribeiro et al. 2010), Rio Grande do Sul ( Montandon 1898) ( Fig. 15 ). URUGUAY ( Ruffinelli & Pirán 1959).

Figures

FIGURE 6. Dorsal and ventral habitus of Pelocoris subflavus. (A–B): male; (C–D) female. Scale bar: 2 mm.

FIGURE 7. (A–F): Male abdominal terga VI and VII.A, Pelocoris binotulatus nigriculus; B, P. bipunctulus; C, P. magister; D, P. poeyi; E, P. politus; F, P. subflavus. (G–L): Male genital capsule and phallosoma. G, Pelocoris binotulatus nigriculus; H, P. bipunctulus; I, P. magister; J, P. poeyi; K, P. politus; L, P. subflavus.

FIGURE 8. (A–D): Lateral view of abdominal sterna. A, Pelocoris binotulatus nigriculus; B, P. bipunctulus; C, P. magister; D, P. politus. Arrows indicate condition of median carina at sternum III. (E–F): Dorsal view of abdomen showing the lateral margins. E, P. bipunctulus; F, P. subflavus. Arrows indicate posterolateral corner of tergum III.

FIGURE 9. Female subgenital plate, ventral view. A, Pelocoris binotulatus nigriculus; B, P. bipunctulus; C, P. magister; D, P. poeyi; E, P. politus; F, P. subflavus. Arrows indicate the median concavity of the posterior margin.

FIGURE 10. Female abdominal tergum VIII, dorsal view.A, Pelocoris binotulatus nigriculus; B, P. bipunctulus; C, P. magister; D, P. poeyi; E, P. politus; F, P. subflavus. Arrows indicate different conditions of the posterior margin.

FIGURE 11. Female valvulae 1 and valvulae 2, dorsal view. A, Pelocoris binotulatus nigriculus; B, P. bipunctulus; C, P. magister; D, P. poeyi; E, P. politus; F, P. subflavus. Arrows indicate different conditions in the valvulae.

FIGURE 12. Right side of symmetric pterothorax, ventral view. A, P. bipunctulus; B, P. poeyi; C, P. politus. Arrows indicate the posterior margins of the metapleura.

FIGURE 15. Distribution of Pelocoris politus and P. subflavus in Brazil.