| Hermertia illucens L. is a large insect that belongs to Hermetia, Stratiomyidae, Diptera. It is an important value of the resource insect, which distributes in lots of provinces in China. There are also some description about Hermertia illucens in America. Africa, Australia, New Zealand and some of the Pacific island in abroad. Through the larva’s digestion, Hermertia illucens can transfer the nutrients left in organic waste into insect proteins which has been generally used as protein feed additives. On the other hand, it can not only effectively reduce the accumulation of waste and the pollution of environment, but also solve the two huge problems about resources shortage and environment pollution that human beings are facing. It has a huge significance in reliefing the conflict of human being and livestock food, in realizing the animal husbandry circular economy and building economical society.In this paper, the biology characteristics and the larva’s intestine of Hermertia illucens were studied, as theoretical basis and experimental evidence tor tuture studies on artificial breeding and intensive processing organic waste.1. Hermertia illucens was holometabolism insect, experiencing egg, larvae, pupae and adult. The adults were often with a large gangling black body. The ommteum of male and female are also far away. The antenna scape is rod appearance, about4.0-5.0times than pedicel in length. The flagellum makes up of8segments. The segments at base are almost same in length and the segment at the end of the flagellum is long and flat. The front of head eminence. The scutellum is without spine. There are4pterigostium started from the median cell. The thick part of the membranous wing have some tiny spines. The abdomen is made up of5somites. Egg ivory, oblong and the shell is toughening and soft. The larvae after hatching is flat and transparent, the digestive tract is visible. The larvae body with bristles in surface is flat. The pupal is puparium, light yellow at the beginning while dark brown at last. The epidermis is leathery and comparison rigid.2. It occours three generations per year in Fujian and overwintered as larvae in earth. The first generation emerged from last ten-day period of May to the last ten-day period of July, almost9weeks. The second generation continue6weeks, from the last ten-day period of July to early September. The third generation emerged from early September to the last ten-day period of November, almost9weeks. The larvae period is divided into6different instars. The last instar called prepupa which head is further chitinized is usually deemed to have halted feeding. The larvae enter a resting stage in a lower temperature. The larvae of Hermertia illucens can sustain a rapid growth during a constant temperature of27.8℃. It can grow to17mm in length in12days and finish the larvae period in21days after hatching.3. Larva of Hermetia illucens and larva of Ptecticus aurifer were both fed on pig manure and cattle manure. Through contrast research, Hermetia illucens could made more matter available from the same amount of manure than Ptecticus aurifer.4. Seven bacteria strains were isolated from the intestine of the larvae of Hermertia illucens, and were identified as Citrob acter,Bacillus subtilis, Brachybacterium, Bacillus megaterium, Cellulomonas, Salmonella and Microbacterium, based on bacterial modality, dyeing reaction, cultural characteristics, physiological characteristics and biochemical reactions. |
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