Surface structure of penis in Periplaneta fuliginosa and Blattella germanica
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چکیده
منابع مشابه
Laboratory evaluation of fipronil against Periplaneta americana & Blattella germanica.
BACKGROUND & OBJECTIVE In cockroach control, bait formulations are extensively used. Fipronil is one of the broad spectrum insecticides from phenyl pyrazole family available in bait formulation. The compound has been tested under field conditions. However, information on its effectiveness on different surfaces and at various density levels is not known. Therefore, the efficacy of a new formulat...
متن کاملPrevalence and Antibiotic Resistance of Gram-Negative Pathogenic Bacteria Species Isolated from Periplaneta americana and Blattella germanica in Varanasi, India
BACKGROUND Cockroaches are among the medically important pests found within the human habitations that cause serious public health problems. They may harbor a number of pathogenic bacteria on the external surface with antibiotic resistance. Hence, they are regarded as major microbial vectors. This study investigates the prevalence and antibiotic resistance of Gram-negative pathogenic bacteria s...
متن کاملCockroaches (Periplaneta americana L. and Blattella germanica) as Potential Vectors of Nosocomial Infections in Hospitals of Lahore, Pakistan
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...
متن کاملPopulation densities of cockroaches from human dwellings in urban areas in the Republic of Korea.
Studies on the population and infestation rates of domestic cockroaches were conducted from September 1999 to October 2000 in 154 residences in 21 districts (dong) in Busan and 170 residences in 12 districts in Seoul, Republic of Korea, using sticky traps. Blattella germanica, Periplaneta americana and Periplaneta fuliginosa were collected from three different types of houses, apartments, singl...
متن کاملConversion of ergosterol to 22-de-hydrocholesterol in Blattella germanica.
The literature suggests that several species of insects can convert Czs and Czs sterols to cholestane derivatives. According to Bergmann (l), cholesterol is the major sterol constituent (85%) and the plant sterol sitosterol a minor component of chrysalis oil obtained from the silkworm Bombyx mori, although this insect feeds exclusively on mulberry leaves. More recently, Bergmann and Levinson (2...
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ژورنال
عنوان ژورنال: Medical Entomology and Zoology
سال: 1995
ISSN: 0424-7086,2185-5609
DOI: 10.7601/mez.46.209_2