Cockroaches are termed as one of the common place pest because of its wide distribution in human dwelling localities including houses, hospitals, food industries and kitchens. Its wide distribution in hospitals can be related to poor sanitary conditions, unhygienic environment, plenty of food sources and moist shady places. Their foraging behavior make them ideal vector for spreading pathogenic...

background: hymenolepis diminuta is a cestod of rodents and rarely infects humans. infection in humans is via ingestion of infected insects. this study was aimed to detect h. diminuta cysticercoids in red flour beetles, tribolium castaneum, and cockroaches originated from different regions of iran. methods: the red flour beetles and cockroaches were collected from local bakeries in five cities ...

conclusions the results showed that p. americana is a possible reservoir and potential vector of some pathogenic agents. results one hundred percent of cockroaches had bacterial infections. culturing of the external parts wash homogenates resulted in the isolation of escherichia coli, proteus, serratia, klebsiella, enterobacter, pseudomonas, staphylococcus aureus, streptococcus, enterococcus, c...

Insects under different stimuli from the environment modify behavioural responses due to changes in the sensitivity of neurons at the peripheral and/or at the central level of the nervous system. This phenomenon is called neuronal plasticity, and sensory adaptation is an example of it. An insect repellent is a chemical that produces oriented movements of the insects away from its source. In thi...