Information on families of Chalcidoidea (especially Eurytomidae), collecting and Chalcidoidea newsletter Chalcid Forum
http://www.sel.barc.usda.gov/hym/chalcid.html
Comprehensive and detailed illustrated glossary of positional and
morphological terms used in Chalcidoidea:
www.agr.gc.ca/science/ecorc/chalcid/intro_e.htm
A database of names of Hymenoptera (Hymenoptera On-Line Database)
http://atbi.biosci.ohio-state.edu:8880/hymenoptera/nomenclator.home_page
Encarsia species of the World (Aphelinidae)
http://chalcidoids.tamu.edu/ENCARSIA/encarsia.htm
Key to the Nearctic genera of Eulophidae, subfamilies: Entedoninae, Euderinae and Eulophinae (Hymenoptera: Chalcidoidea). http://cache.ucr.edu/%7Eheraty/Eulophidae/index.html
Key
(LucID fromat) to world genera of Eulophidae which attack leafmining Agromyzidae
http://www.ento.csiro.au/science/eulophid_key/eulophids.htm
Scalenet
(A global database of scale insects (Homoptera: Coccoidea)
http://www.sel.barc.usda.gov/scalenet/scalenet.htm
Global Lepidoptera names index
http://www.nhm.ac.uk/entomology/lepindex/
Lepidoptera Hostplant Index
http://www.nhm.ac.uk/entomology/hostplants/index.html
Butterflies
& Moths of the World: Generic names & their Type-species
http://www.nhm.ac.uk/entomology/butmoth/index.html
The International Plant Names Index
http://www.ipni.org/index.html
Biosystematic Database of World Diptera
http://www.sel.barc.usda.gov/Diptera/biosys.htm
Biosis Resources/Index to Organism names
http://www.biosis.org.uk/triton/indexfm.htm
Sphingidae of China
http://tpittaway.tripod.com/china/china.htm
Sphingidae of the Western Palaearctic
http://tpittaway.tripod.com/sphinx/list.htm
Australian Biodiversity Information Facility
http://www.ea.gov.au/biodiversity/abrs/online-resources/abif/index.html
World Neuroptera, Megaloptera and Raphidioptera
http://entowww.tamu.edu/research/neuropterida/neur_sp_index/ins_search.html