13 February 2012

sago worm

 Rhynchophorus ferrugineus   Asiatic palm weevil or red palm weevil has body length of 25-28 mm, orange brown with variable black markinghs on pronotum, elytra with longitudinal grooves. It feeds on young coconut crown and also infests into the trunk making big holes. The foodplants include sago palm, nipa and other palms. It is a mojor pest of coconut in the southern Thailand and Malaysia. However, local people reconized the larvae and pupae as the diet foods that why some people try to breed and rear them for food and sale. The L3 larvae can be sold at 200 baht/kg while the pupae got a better price of about 300 baht/kg. The duration from egg, larva and pupa last for about 60 days and the adults live for 2-3 months. Both sexes are alike, the male is slightly slimmer. The upper part of the beak near the tip of the male bears peculiar fine hairs differs to the female. 

Metroxylon sagus Rottb. Metroxylon rumphii Rottb.PALMAE  generality , sago , be the monocotyledon , meet very in tropical wet area , the area near the equator of Asia , and group of Pacific islands , be the plant which want water tall quantity , and want fall quantity of the rain regularly or , rather fall abundantly , about 1,000-2,500 a millimeter , like the moisture , but , there is hot period temperature air , about 29-32 the degree Celsius , go up at plain , be damp , source of water rim , the area that have the fresh water cages all year , or , crust of soft earth forest , can durable build [ wasp ] flood state , or , the water is dry , sporadically rather long well ago , sago , will have the trunk resembles bottle palm or , coconut , cradle straight trunk has no a thorn follows the trunk , except , in kind some , have assemble like [ model ] , single-storied feather resembles the coconut , when , big with full speed ahead have the height , about 10-12 the meter , and the plant which have both of male , and female be on same , when , produce bear fruit already die , like , Corypha lecontei , (Corypha spp.) , go out busily file prevent a pair , ++ , in each knife chest male pair , and be sterile mix alternate accompany female that completed , the reproduction of kind this plant will mix to cross like , oil palm , chromosome amount of the sago exists 26 a pair , (2n) , when , big with full speed ahead have long , about 6 - 7 the meter , each have digest , about 50 a pair , each digest , there is length 60-180 centimeter , the wideness of about 5 centimeter , total up the all period of time appoints the chest until has borne fruit then die , about 12 year , the sago will put out twig to depart the rhizome of originally , which , this rhizome will softly , ++ , The big , and fry long stay underlying ground north at the rear of originally , the twig is next generation , ++ , then softly stay far from generation first twig , ++ , in the sense of the location in all direction with both of originally 3 a side , call the rhizome softly , ++ , have no obligation , and grow up , follow the dialect that ,  , the head hides a young man of the sago , and straight big with full speed ahead have the size equals the Corypha lecontei , there is the diameter , about 45-60 centimeter , The tall , about 10-12 the meter , there is spathe wraps the trunk , and way stands straight almost , way spathe and green resemble the coconut , but , big long , and thick more , straight the leaf stalk has the knot is the thorn arranges sporadically , ++ , stay through the stalk , when , the sago will old with full speed ahead have blossom or spadix of the coconut or betel palm splits straight top part , villagers calls that ,  , broken an antler , because , each the blossom or spadix of the coconut or betel palm has the trick resembles an antler , when , bear fruit and bear fruit , that sago , will end the civilization and perennial die like , Corypha other lecontei in same clump , will softly big prominent upward replace of the sago has the character is a bunch , the character of resemble estimate to reach fat [ P letter ] , there is astringent taste , which sago has borne fruit already the trunk has will powder leads the entrails in come to do powder does sweets , or , use the feed feeds , such as , pig , duck , chicken , etc. ,

the sago with using domesticates animals , sago , be locality plant in the strip [ zone ] A staggers the southeast , abound in Thailand , Malasia ,  , Indonesia , and group of all islands , in A stagger the southeast , (FAO,1983) , for Thailand in many way South province area , such as , Yala , Pattani , Narathiwas , Songkhla , Satool , etc. , state low-land river bank river area , or , in low-land river bank river area , or , in the ground , place where has letting off water not good , the industrial drop can not can go up , will have one kind plant calls that , the sago , go up line general as its nature may be , and can grow up well in the area about million 3 sago farm is the monocotyledon , stay in palm species , at meet go up indoor we , exist 2 a kind , be , a kind has no a thorn , (Metroxylon sugu Roltb.) , and a kind has a thorn , (Metroxylon rumphii Mart.) , the sago breeds by shoot destruction , when , old die will have a shoot is growwing to come out replace continually , by don't have to grow carry , replace of the sago that fall to get down in the ground , will cover denselily poor weed ground can't go up , regard very weed grasping goes to with one way of the sago , can induce roof replace from , the trunk can bring to build a house , do fuel , and bring produce be , powder , especially the center , ( , the entrails is ) , of the trunk will give powder most , powder that produce from the sago has will yellow , and will have the dirtiness stays very , the distance of the sago that is will appropriate cut to come to do powder , old about 9 - 10 year , especially at 7.5 - 9 height meter periods , from the ground , there is powder most , for the past few days the sago will pregnant , and begin build , enough [ when ] after , for the past few already days , the trunk of the sago has will hollow character , and die , finally one sago will have can to produce powder about 90 - 100 the reed . , the lead goes to do powder , must do after , fell the sago 1 within week , if , abandon keep long ago the sago will decay , way South agriculturist of Thailand , since , Chumphon , down go to , will produce powder from the sago very , 

prepare the place , by should the place where the sunlight shines to don't arrive at because , the grub will like area state has the moistness , the somewhere has feeding seriously , build the building like [ model ] , permanent , have , eradicate ant area gang round at us will start the sago for protects an ant comes to bite eat the grub , the sago is is bing come to stand give in the vertical , lead sago shell or , the coir comes to close overlay keep , about 1 month , will have an insect hopes to come to an egg keeps then , be born the grub , can pick induce can sell already , the observation is that , there is or not yet is the grub has happened ? use the wood knocks to see that the sago , if , have a voice loud the blessing turns back , ++ or ,  , gush up , ++ ( , not crowded ) , as a result , show that , there is the grub has happened already , because , the grub will bite to eat sago wood stays the inside , 1 sago is , about will get 1-2 grub , in order that , depend on the character in the air with , 




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