Tentative ID from the kind people at bugguide.net. http://bugguide.net/node/view/996269
Mantis o avispa ... Mantíspera!
Zeugomantispa minuta. Lovettsville, Virginia, USA
Found it's way into my apartment somehow.
Mantispidae, known commonly as mantidflies, mantispids, mantid lacewings or mantis-flies, is a family of small to moderate-sized insects in the order Neuroptera. There are many genera with around 400 species worldwide, especially in the tropics and subtropics. Only 5 species of Mantispa occur in Europe.