| The new species is easily distinguished from all known species in this genus by the 6-segmented funicle of female. |
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| However, at anthesis they appear one above the other, because in one ovule the funicle greatly elongates. |
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| A common genus of scolytids with a 5-segmented funicle is Dendroctonus while Hylurgopinus has a 7-segmented funicle. |
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| In some cases the seeds may remain hanging by their red or orange-coloured funicles from the open legume, the coloured funicle and aril acting as a bird attractant. |
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| The fruit pulp of O. ficus-indica originates from the funicle, which connects the seed to the ovary, indicating that fruit development depends on the presence of seeds. |
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| However, the strength of the funicle varies considerably within NSW specimens, with diatheca falling within the range of variation, so the subspecific name is unnecessary. |
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| Antennae geniculate, funicle five-segmented. |
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