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Riptortus pedestris (Fab.) (Hemiptera, Alydidae) is one of the most damaging insects of leguminous crops in Eastern Asia but has only recently emerged as a pest in Bangladesh. Eggs, nymphs and adults of R. pedestris are here reported from mung bean (Vigna radiata (L.)) fields in Bangladesh. Two parasitoid species were reared from field-collected eggs of R. pedestris, the solitary Hadronotus pubescens (Motschoulsky) (Hymenoptera, Scelionidae) and a gregarious species of Ooencyrtus Ashmead (Hymenoptera, Encyrtidae). Here we redescribe H. pubescens, treat H. hogenakalensis (Sharma) as a junior synonym, and report aspects of its biology that were investigated under laboratory conditions. The number of eggs parasitized by H. pubescens was constant with eggs up to 48 hours in age, decreasing by 14% for 96 hour-old eggs. As host egg age increased, the parasitoid mean development time increased and the longevity of the parasitoids decreased.

Riptortus linearis (Fabricius, 1775) Material examined. KHUZESTAN: near Ahvaz, Karun river, 1 specimen, 10.–11.vi.2006. Comments. On shore of a river. Known from Iran, Iraq, China, Japan, Taiwan, the Oriental and Australian Regions., Published as part of Linnavuori, Rauno E., 2012, Studies on Pyrrhocoroidea, Coreoidea and Pentatomoidea of Khuzestan and the adjacent provinces in Iran (Hemiptera: Heteroptera), pp. 67-88 in Acta Entomologica Musei Nationalis Pragae 52 (1) on page 73, DOI: 10.5281/zenodo.5330439

Riptortus aegyptiacus Lindberg, 1939 Distribution in Iran. Sistan & Baluchestan (HOBERLANDT 1985). General distribution. Egypt, Saudi Arabia and Iran (DOLLING 2006)., Published as part of Ghahari, Hassan, Carpintero, Diego Leonardo, Moulet, Pierre, Linnavuori, Rauno E. & Ostovan, Hadi, 2010, Sunn pest (Eurygaster integriceps Puton, Hemiptera: Scutelleridae) and its scelionid (Hymenoptera: Scelionidae) and tachinid (Diptera: Tachinidae) parasitoids in Iran., pp. 425-436 in Acta Entomologica Musei Nationalis Pragae 50 (2) on page 431, DOI: 10.5281/zenodo.5326972, {"references":["HOBERLANDT L. 1985: Results of the Czechoslovak-Iranian entomological expedition to Iran, 1970, 1973 and 1977. Heteroptera: Alydidae. Acta Musei Nationalis Pragae B 41: 239 - 259.","DOLLING W. R. 2006: Superfamily Coreoidea Leach, 1815. Pp. 1 - 101. In: AUKEMA B. & RIEGER Ch. (eds.): Catalogue of the Heteroptera of the Palaearctic Region. Vol. 5, Pentatomomorpha II. The Netherlands Entomological Society, Amsterdam, xiii + 550 pp."]}