Selenothrips rubrocinctus pdf free

Broadway in 1898, when he called attention to the blight of cacao. Technique for rearing thrips in the laboratory nature. A new distribution map is provided for selenothrips rubrocinctus giard thysanoptera, thripidae cacao thrips, redbanded thrips. Redbanded thrips, selenothrips rubrocinctus giard insects. Body blackish brown, tarsi and apices of tibiae yellow. The feeding of the cacao thrips, selenothrips rubrocinctus giard. I thank mr willem vos and mr chukini for allowing me free access to their orchards. Selenothrips rubrocinctus recognition data distinguishing features. Pdf nocividad producida por selenothrips rubrocinctus giard.

Selenothrips rubrocinctus browse species thrips of. The influence of environmental stress on the cacao tree in predetermining the feeding sites of cacao thrips, selenothrips rubrocinctus giard, on leaves and pods volume 56 issue 2 r. First record of selenothrips rubrocinctus giard attacking lychee in brazil article pdf available in neotropical entomology 333. Adult redbanded thrips, selenothrips rubrocinctus giard. The very dark forewings distinguish this species from most other thrips, and it is the only species recognised in the genus selenothrips. The tropical thrip selenothrips rubrocinctus giard is a polyphagous species sometimes found in com mercially. Females lay up to 50 eggs and live for up to one month. Journal of the entomological society of southern africa, 55. Even when thrips were most abundant, some trees were free from attack. Nutritional factors associated with seasonal population increase of. General information about selenothrips rubrocinctus slenru eppo global database. The following simple technique differs from their methods, and has been used with success at the imperial college of tropical agriculture for.

Identifying redbanded thrips selenothrips rubrocinctus. A second species, glabratus priesner that is known only from africa, is now placed in its own genus, xestothrips. The redbanded thrips, selenothrips rubrocinctus giard, was first described from guadeloupe, west indies, where it was causing considerable damage to cacao. There are at least two described species in selenothrips. Selenothrips is a genus of thrips in the family thripidae. Redbanded thrips, selenothrips rubrocinctus edis university of. The influence of environmental stress on the cacao tree in.

Heliothrips haemorrhoidalis bouche and selenothrips rubrocinctus giard thripidae. The area of origin of selenothrips rubrocinctus is not clear, either africa or south america, but is now found throughout the tropics. The status of greenhouse thrips, heliothrips haemorrhoidalis, and. As a result, it was referred to as the cacao or cocoa thrips. Thripidae 3 eggs are inserted into the lower leaf surface and covered with a drop of fluid, which dries to form a black, disclike cover astridge and fay 2005. Typical features of this genus are long setae on antennal segments, and segments iii and iv constricted apically and basally. Life table for selenothrips rubrocinctus thripidae. The eggs hatch within four days chin and brown 2008. Pdf first record of selenothrips rubrocinctus giard. It is attacked by the redbanded thrips, selenothrips rubrocinctus giard thysanoptera. Pantropical, sometimes extending into subtropical areas such as florida. The nymph and pupa are light yellow to orange with the first three and last segments of the abdomen bright red.