PROBLEM TO BE SOLVED: To provide a wicket door device for a pet animal, which can inhibit mosquitoes from intruding indoors when the pet animal gets in and out through a wicket door.SOLUTION: A wicket door device 1 for a pet animal includes: a base 5 that is attached to at least an upper position on the periphery of an opening 4 on both thickness-direction surfaces of a net 3 of a wire screen 2 formed with the opening 4 for allowing entrance/exit of the pet animal attachment means that are each attached to the base 5 attached to the upper position of the opening 4 and curtains 7 that are each detachably attached to the base 5 by the attachment means.COPYRIGHT: (C)2016,JPO&INPIT【課題】愛玩動物がくぐり戸から出入りする際に蚊が屋内に侵入することを阻止することができる愛玩動物用くぐり戸装置を提供する。【解決手段】愛玩動物用くぐり戸装置1は、愛玩動物が出入りする開口部4が形成された網戸2の網3の厚み方向の両面における開口部4の周囲の少なくとも上部位置に取り付ける基台5と、開口部4の上部位置に取り付けられた基台5にそれぞれ取り付けられる取付手段と、取付手段により基台5にそれぞれ着脱自在に取り付けられるカーテン7とを備える。【選択図】図2