Nerthra nepaeformis (Fabricius, 1775)

Rodrigues, Juliana Mourão Dos Santos, Cordeiro, Isabelle Da Rocha Silva, Floriano, Carla Fernanda Burguez, Paiva, Nathália De Oliveira, Magalhães, Oséias Martins, Júnior, Evaldo Alves Joaquim, Martins, Thaynara De Souza, Silva, Rafaella Cardoso Da, Siqueira, Gabriel Vieira, Salles, Frederico Falcão, Viala, Séverine, Khila, Abderrahman & Moreira, Felipe Ferraz Figueiredo, 2023, Descriptions of new species and new records of water bugs (Hemiptera: Heteroptera: Gerromorpha & Nepomorpha) from southeastern Brazil, Zootaxa 5393 (1), pp. 1-86 : 79

Nerthra nepaeformis (Fabricius, 1775)

Fig. 56B, D

Diagnosis. Body flattened, 7.6–9.1 mm long; head with apex pointedly projecting, without superapical tubercles; scutellum without prominent patches of black bristles; forewing with basal third of embolium dilated and well-developed membrane; edge of anterior dilation of fore femur forming an acute angle with posterior side of femur; greatest width of posterior margin of male abdominal sternum VI (measured from one caudolateral angle to the other) less than half the width of abdominal sternum IV (measured along the posterior margin, from the median notch to the lateral margin of the right side); male abdominal sternum VIII at most as long as sternum IX; male abdominal sternum IX approximately 1/4 as wide as sternum V ( Todd 1955).

New records. BRAZIL — Rio de Janeiro • Campos dos Goytacazes ; −21.7469, −41.4994; 13. V.2017; RC Silva leg.; 2 males, CEIOC 36521 .

Distribution in Brazil. AM, BA ( Todd 1955), MG ( Nieser & Melo 1997), PA ( Todd 1972), RJ ( Stål, 1860; Melin 1929; Todd 1955), SC ( Melin 1929; Todd 1955, 1972), SP ( Melin 1929; Schnack & Estévez 1979).

Figures

FIGURE 56. Collected specimens (A, B), and distribution in southeastern Brazil and adjacent areas (C, D). Nepomorpha, Gelastocoridae from Campos dos Goytacazes, Rio de Janeiro (−21.7469, −41.4994), males. A, C. Gelastocoris flavus flavus. B, D. Nerthra nepaeformis. Stars indicate new records; circles indicate previous records; question marks indicate unspecified locality. Scale bars: 2 mm.