Review of potter wasps with a petiolate metasoma excluding so-called " Zethinae " (Hymenoptera: Vespidae: Eumeninae) in the Lesser Sunda Islands of the Indonesian Archipelago Author Nugroho, Hari Author Kojima, Jun-Ichi Author Ubaidillah, Rosichon text Zootaxa 2013 3608 1 1 25 journal article 10.11646/zootaxa.3608.1.1 f3c60fee-04da-4bd8-98fc-4714c424450a 1175-5326 283259 FC91A0F2-BB61-4D4E-AD7D-9D9BFF5DC93E Labus rufomaculatus van der Vecht 1963 Labus rufomaculatus van der Vecht 1963: 8, Ƥ, holotype "Pogobina" [on Sumba], [Naturhistorisches Museum, Basel]. Material examined. No specimen examined. Distribution. Indonesia : Sumba. Remarks. Van der Vecht (1963) considered that this species closely related to L. amoenus van der Vecht 1935 known from Java, Bangka and South Sumatra. This species can be distinguished from L. amoenus by the combination of characters given in Table 1 . TABLE 1. Comparisons of distinguishing characters among Labus amoenus van der Vecht, L. spiniger de Saussure, L. vandervechti Giordani Soika , and L. rufomaculatus van der Vecht. L. amoenus L. spiniger L. vandervechti L. rufomaculatus * Head As high as wide. As high as wide. As high as wide. Higher than wide. Frontal fovea Shallow; longer than wide; Deep, deeper than L. Deep; circular; not Deeper; circular; well not distinctly defined. vandervechti ; circular. well defined. defined. * For L. rufomaculatus , characters are based on van der Vecht (1963).