Dorsal glands of B. germanica and of its similar species. A. B. germanica; B. B. lituricolis; C. B. asahinai; D. B. bisignata; E. Blattella confusa; F. B. sauteri; G. B. radicifera; H. B. punctoria; I. B. biligata; J. B. nipponica; K. B. ligulata; L. S. marginata; M. E. spinosa; N. E. torchaceus. Scale bars: 0.5 mm.

 
 
  Part of: Cai J-Z, Yao W-W, Wang Z-Q, Che Y-L (2025) On the species status of Blattella germanica and Blattella asahinai (Blattodea, Blattellidae), and other morphologically similar species. ZooKeys 1250: 155-188. https://doi.org/10.3897/zookeys.1250.145981