Semi-artificial feed for larva of rhynchophorus ferrugineus

Abstract

The invention discloses a semi-artificial feed for larva of rhynchophorus ferrugineus, which is prepared by uniformly mixing palm dry powder, oat kernel powder, corn powder, casein, glucose, saccharose, agar, yeast, webster salt, cholesterin, ascorbic acid, potassium sorbate, sodium benzoate, coconut oil and distilled water. The invention has simple preparation process and low cost. Residual palm stalks after the damage caused by wild rhynchophorus ferrugineus are used as main materials, the problem that since the rhynchophorus ferrugineus is produced, a great deal of palm stalks are artificially collected to result in the condition that the growth potential of the palm plants is weakened, the yield of the palm plants is reduced, and the sight of the palm plants is damaged is effectively avoided. The breeding efficiency of the semi-artificial feed is comparative to natural host feed so as to be beneficial to the industrialization and the standardization of the breeding of the rhynchophorus ferrugineus.

Description

technical field [0001] The invention relates to a feed, in particular to a semi-artificial feed for the larvae of the palm family pest, the red palm weevil. Background technique [0002] Red palm weevil Rhynchophorus ferrugineus (Olivier) is also known as rusty palm weevil, coconut beetle, coconut beetle, Asian palm weevil, Indian red palm weevil, etc. First discovered in India in 1891, and in 1906 as an important pest of coconuts. There is no way to verify the time when the insect invaded our country. But after the 1990s, it began to receive attention. The red palm weevil is mainly distributed in parts of Hainan, Guangxi, Guangdong, Zhejiang, Taiwan, Yunnan, and Tibet (Medog) in China, and is a destructive pest of palm plants. The insect is mainly harmed by larva borer. The adult moth lays eggs in the young parts of plants or wounds and cracks. After the eggs hatch, the larvae bore and feed on plant tissues. There are no obvious symptoms in the early stage, and the trun...

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Problems solved by technology

However, there are few reports on the artificial breeding of red palm weevil in China at present, while the research on red palm weevil abroad has a history of nearly a hundred years, and the breeding methods are various, mainly involving practical artificial feed sugarcane, banana, palm plant tissue, etc. and semi-artificial Feed and other feeding methods

Although all can complete generations, because sugarcane and banana all have certain seasonality and the offspring after rearing are relatively small, the use of palm plant tissue rearing causes too much waste of resources and inconvenience in raising; Salama reported in Journal of Pest Science in 2002 In a study published in "Development of the red palm weevil, Rhynchophorus ferrugineus (Olivier) on natural and synthetic diets", it was reported that a semi-artificial diet preparation for the red palm weevil was completed at 27±3℃. Generation takes the shortest 164.97 days and the longest 194.61 days

And because the red palm weevil itself needs to make a cocoon to pupate, Salama uses palm stem epidermis fibers to assist the red palm weevil to make a cocoon and pupate in artificial feed. This method is not only inconvenient to obtain the fiber, but also not conducive to preservation

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