bˈoʊθ dʒˈɛnɚɹə ɑːɹ ˈɑːlɪɡˌoʊldʒᵻz pˈɑːlən spˈɛʃəlˌɪsts ɔnðə plˈænt dʒˈɛnəs kjˌuːkɚbˈiːɾə ænd klˈoʊsli ɹᵻlˈeɪɾᵻd plˈænts, ɔːlðˈoʊ ðeɪ jˈuːʒuːəli duːnˌɑːt vˈɪzɪt wˈɔːɾɚmˌɛlən, kjˈuːkʌmbɚ, ænd mˈɛlən plˈænts.
Both genera are oligoleges (pollen specialists) on the plant genus Cucurbita and closely related plants, although they usually do not visit watermelon, cucumber, and melon plants.