regulates regulation of anatomical structure morphogenesis biological regulation hyphopodium formation regulation of hyphopodium formation GO:0075188 Any process that modulates the frequency, rate or extent of symbiont hyphopodium formation on or near its host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction. Note that this term should not be used to annotate gene products of the host. It should only be used to annotate those gene products from the symbiont involved in this process. regulation of hyphopodium formation on or near host biological_process