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211. But poplar production is severely threatened by certain insect pests, e. g. , Hyphantria cunea. Therefore, it is of great significance to breed poplar varieties with high insect resistance.

212. Objective:To study on the toxic effect and palatablity of the Insect Growth Regulation baits against Blattella germanica in the laboratory.

213. The insecticidal plant, Tripterygium wilfordii Hook , showed high effectiveness to many kinds of insect pests.

214. Acylureas have insect killing, acaricidal, plant growth regulating activities and blood sugar decreasing function and so on.

215. The Department of Entomology is an international centre for the study of insect and arachnid systematics, taxonomy, identification and comparative biology.

216. The insect odorant receptors, as other odorant receptors from nematoid to human, have long been perceived to be G-protein-coupled receptors(GPCR).

217. It's love at first sight when a gawky, quirky insect arrives in this bustling community and a fabulous ladybug catches his eye – and the feeling is mutual.

218. In the fifth chapter, iridescent colors of two morpho butterflies and one insect are studied cursorily .

219. Insect repellant : Coffee grounds are a good ant repellent. Sprinkle coffee grounds around ant hills. Coffee grounds also repel snails and slugs.

220. Mites are a tiny parasitic insect, the cask has some defensive effect.

221. The fish feed on benthos, larva of aquatic insect and other fishes.

222. Population dynamics and population structure of parasite wasps on white wax insect were studied by the fixture trapping from 1999 to 2000.

223. The progress and the relationship between the structures and activities of acylhydrazine insect growth regulators are reviewed.

224. The female insect has a clear selectivity on the location and development stage of the fruit for them to oviposit.

225. Chrysopidae and Hemerobiidae ; larvae feed on insect pests such as aphids.

226. Metamorphosis of an insect may be ametabolous hemimetabolous,(http://sentencedict.com/insect.html) or holometabolous. Neuroendocrine and endocrine secretions control metamorphosis.

227. In addition, we also carry out a preliminary survey of coeval fossil plants from the same locations and present potential plant candidates which might have been involved in insect interactions.

228. Indonesian stick insect is the largest insect all over the world, only for its height, there is 1 foot long.

229. Hymenoptera is a close relationship insect group in human production and livelihood.

230. Scolytidae is one of the most important insect populations of the forestry and spreaded abroad by international trade.

231. Dredges the sewer, sprays the disinfection insect disinfestation liquid medicines, eliminates the mosquito to multiply, reduces the mosquito density.

232. Differences in susceptibility to insecticides between biotypes of B. tabaci are speculated to be an important mechanism for the B biotype to displace non-B biotypes of the insect.

233. Ginger contains large amounts of alpha copaene, a chemical that is known to attract a range of insect species.

234. Cyromazine is a highly effective insect growth inhibitor pesticide, widely used in livestock and poultry industry as feed additive to control the maggot growth in animal stalls.

235. The action of a pathogen and an insect vector changed the ecology of the rabbit.

236. Mature insect contained carmine acid, accounting for 19 % - 24 % of fuck insect weight.

237. The insect which will cause the quite big losses in the economy will be the flowered thrips, the monitor thrips available yellow and the blue color oriental army worm board.

238. A spider's orb web is one of the most impressive architectural feats in nature, capturing morning dew and insect meals with equal grace.

239. The standing crop of mollusk in subarea of Guozheng Lake, both aquatic oligochaete and aquatic insect in subarea of Shuiguo Lake was maximal.

240. The second proximal segment of the leg of an insect.