PROBLEM TO BE SOLVED: To provide a Blatella germanica-capturing device capable of inexpensively supplying and having high safety. SOLUTION: This Blatella germanica-capturing device 1 is equipped with a capturing container 1 having an invasion inlet 9 of Blatella germanica and a heat source installed in the capturing container 1. In the capturing device 1, the heat source is constituted so as to provide an incandescent lamp 12 having wattage capable of keeping the interior of the capturing container 1 at a temperature which Blatella germanica likes and house the incandescent lamp 12 in a bulb case 11 made of a material having a light-blocking property in the capturing container 1. Small air spaces 18 formed of two crosspieces 16 and a thin plate 17 are provided as places in which the insects rest on the rear side of a lid body 7. Furthermore, a corrugated board 22 having numerous small holes and bonded to the two crosspieces 20 and the thin plate 21 is installed as a place in which the insects rest inside the capturing container 1. COPYRIGHT: (C)2005,JPO&NCIPI