German cockroaches boric acid

Relatively high concentrations of boron componnds are used to control fruitflies, cockroaches, gypsy moth larvae, houseflies, and woodboring insects (Sprague 1972 USEPA 1975 Table 29.6). Boric acid is an effective stomach poison for several insect species, including German cockroaches (Blattella germanica), that are unable to detect the presence of boric acid (USEPA 1975). Insect infestation of wood and other substrates can be prevented by pretreatment with boric acid or borax at... 

GERMAN COCKROACH, Blattella germanica Baits containing 25% boric acid plus honey Population reduction of 50% in about 5 days, 80% in 4 weeks,... 

Gupta, A.P. and M.D. Parrish. 1984. Effectiveness of a new boric acid bait (roach killer cream) on German cockroach (Blattella germanica) populations in urban dwellings. Uttar Pradesh Jour. Zool. 4 51-56. 

Wright, C.G. and H.E. Dupree, Jr. 1982. Efficacy of experimental formulations of acephate, boric acid, encapsulated diazinon, permethrin, pirimphos-methyl, and propetamphos in control of German cockroaches. Jour. Georgia Entomol. Soc. 17 26-32. 

Cochran, D.G., Toxic effects of boric acid on the German cockroach, Experientia, 51,561,1995. 

Habes, D., Morakchi, S., Aribi, N., Farine, J.-P, and Soltani, N., Boric acid toxicity to the German cockroach, Batella germanica Alterations in midgut structure, and acetylcholinesterase and gluthathione S-transferase activity, Pestic. Biochem. Physiol., 84,17, 2006. 

---