A photographic catalog of primary types of Platygastroidea housed in the National Insect Collection, National Museum of Natural History, is here made available online at the image database at The Ohio State University (specimage.osu.edu). Following examination of this collection we enact the following taxonomic changes: Leptacis piniella MacGown syn. n. is treated as a junior synonym of Leptacis pinicola MacGown; Sacespalus indicus Mani is transferred to Platygaster Latreille; Platygaster indica Mukerjee is given the replacement name Platygaster chaos Talamas, n. n.; Synopeas rugiceps (Ashmead), comb. n. is transferred from Leptacis Forster; Axea atriclava (Kieffer), comb. n. is transferred from Psilanteris Kieffer; Chakra pachmarhica (Sharma), comb. n. is transferred from Paridris Kieffer; Paridris dubeyi Sharma, syn. n. is treated as a junior synonym of Chakra pachmarhica; Holoteleia indica (Mani) is transferred to Opisthacantha Ashmead and given a replacement name, Opisthacantha nomados Talamas, n. n.; Psilanteris nigriclavata (Ashmead), comb. n. is transferred from Anteris Forster; Probaryconus grenadensis (Ashmead), comb. n. is transferred from Monoteleia Kieffer; Monoteleia syn.n. is treated as a junior synonym of Probaryconus Kieffer; Paridris karnatakensis Sharma, syn. n is treated as a junior synonym of Probaryconus cauverycus Saraswat; Probaryconus punctatus (Ashmead), comb. n. is transferred from Oxyteleia Kieffer; Triteleia bengalensis (Saraswat), comb. n. is transferred from Alloteleia Kieffer; Trimorus varius Fouts, syn. n. and Trimorus pulchricornis Fouts, syn. n. are treated as junior synonyms of Trimorus annulicornis (Ashmead); Neotypes are designated for Gryon leptocorisae (Howard), Idris seminiger (Ashmead), Telenomus graptae Howard, Telenomus persimilis Ashmead, and Telenomus rileyi Howard; lectotypes are designated for Cremastobaeus bicolor Ashmead, Oethecoctonus insularis (Ashmead), Oethecoctonus laticinctus (Ashmead) and Probaryconus punctatus (Ashmead).
