12420833 - Human fleas, light micrograph12098207 - Male flea,LM12098230 - Human fleas,LM11686932 - Bed bugs mating,SEM12098213 - Human fleas,LM11645589 - Male bedbug intromittant organ (SEM)12098219 - Male flea,LM11619838 - Human flea,light micrograph11645597 - Male bedbug intromittant organ (SEM)11907145 - Head louse penis,coloured SEM11909357 - Drone honeybee penis,coloured SEM11619841 - Chicken flea,light micrograph11908645 - Fruitfly penis,coloured SEM11910189 - Chalkhill blue butterflies11619840 - Flea male genitalia,light micrograph11910545 - Flea penis,coloured SEM11907633 - Damselfly penis,coloured SEM