lˈɪɾəl ɪz nˈoʊn ɐbˌaʊt ðə baɪˈɑːlədʒi ʌv ðiːz ˈɪnsɛkts, bˌʌt bɪkˈʌz ʌv ðɛɹ sˈaɪz, ænd sˈɪmpəl ˈoʊvɪpˌɑːzɪɾɚz, ɛntəmˈɑːlədʒˌɪsts ɐsˈuːmd ðeɪ wɜːɹ ˈɪdɪˌoʊbɪˌɑːnt pˈæɹəsˌɪɾɔɪdz ɔnðɪ ˈɛɡz ʌv ˈɪnsɛkts, sˈɪmɪlɚ tʊ ˈʌðɚɹ ɛkstɹˈiːmli smˈɔːl pˌæɹəsˈɪɾɪk wˈɑːsps sˈʌtʃ ɐz fˈɛɹɪflˌaɪz.
Little is known about the biology of these insects, but because of their size, and simple ovipositors, entomologists assumed they were idiobiont parasitoids on the eggs of insects, similar to other extremely small parasitic wasps such as fairyflies.