(A) Detection of bacterial endosymbionts in the testes or ovaries of B. longissima. Beetles were treated with tetracycline or untreated. Lp, B. longissima collected in Lospalos, East Timor (Pacific clade); Di, B. longissima collected in Dili, East Timor (Asian clade); 1, male; 2, female. (B) Inheritance of previously unidentified alphaproteobacterial endosymbionts of B. longissima.