A liquid feeding device for insects includes a base and a supplement tube. The base has a mounting platform, a feeding platform connected to the mounting platform, and a drainage channel between the mounting platform and the feeding platform, wherein the mounting platform is hollow and provided with an upward installation opening, and the feeding platform is provided with an arc-shaped feeding groove connected to the mounting platform through the drainage channel. The supplement tube, containing a drinking liquid, is provided with an opening and installed vertically to the installation opening of the mounting platform, whereby a portion of the drinking liquid is allowed to flow to the feeding groove and form a convex surface in the feeding groove due to the surface tension.本發明提供一種昆蟲液態取食裝置,其包含:一基座,其具有一安裝平台、及與安裝平台連接之一取食平台,其中,安裝平台內部呈中空狀,並具有一朝上之安裝口,而取食平台係凹設有一圓弧狀之取食槽,且安裝平台及取食平台之間具有一引流通道,以將取食槽連通於安裝平台內部;以及一補液管,其具有一開口,並裝有一飲用液,而補液管係以開口朝向安裝口之方式縱向地安裝於安裝平台,使飲用液一部分可流至取食槽中,並藉由表面張力原理於取食槽形成一向上凸起之液面。
