Tolumnia Stål

Kaur, Ravneet, Singh, Devinder & Kaur, Harbhajan, 2017, Morphotaxonomy and external genitalia of three species of genus Tolumnia Stål (Heteroptera: Pentatomidae) from north India, Journal of Entomology and Zoology Studies 5, No. 1, pp. 1-6 : 1-2

Genus Tolumnia Stål

Tolumnia, Stål (1867) [ 8] Öfv. VetAk. Förh, p. 515.

Type species – Tolumnia trinotata Westwood , a species found in Cambodia and the Malay Archipelago.

Diagnosis: Pronotum with the anterior and the anterio-lateral margins elevated, anterior margin concave, slightly truncated behind the eyes with subprominent lateral angles; head forwardly narrowed with rounded apex, lateral margins slightly sinuate near middle and central lobe slightly longer than the lateral lobes; labium passing metacoxae; corium with the apical margin slightly sinuate near the apical angle, which is somewhat rounded at extremity; mesosternum distinctly carinate; abdominal segmental angles slightly acutely prominent; anterior tibiae sometimes moderately dilated.

Remarks: The genus Tolumnia Stål is represented by 13 species from the world. Keys to only 6 species collected from India, China, Philippines, Thailand, Java, Southeast Asia, Malaysia and western Indonesia have been provided so far[ 4]. No major pest status has been recorded for its species till now.