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| Chinese | English |
| 中华白芷二尾蚜 | Chinese angelica aphid (Cavariella araliae Takahashi，蚜科) |
| 二化螟 | rice stem borer (Chilo suppressalis (Walker)，螟蛾科) |
| 二化螟 | Asiatic rice striped borer (Chilo suppressalis (Walker)，螟蛾科) |
| 二化螟 | purple lined borer (of sugarcane, Chilo suppressalis Walker，螟蛾科) |
| 二化螟 | rice stem berer (Chilo suppressalis Walker，螟蛾科) |
| 二化螟 | striped borer (Chilo suppressalis Walker，螟蛾科) |
| 二化螟 | rice moth borer (Chilo suppressalis Walker，螟蛾科) |
| 二化螟 | pale-headed striped borer (Chilo suppressalis (Walk.)，螟蛾科) |
| 二化螟 | Asiatic rice borer (Chilo suppressalis (Walker)，螟蛾科) |
| 二十八星跳甲 | twenty-eight-spotted fleabeetle (Podontia affinis Groud.，跳甲科) |
| 二叉厚壳树 | dichotomus ehretia (Ehretia dichotoma Bl.，紫草科) |
| 二叶唢呐草 | common miterwort (Mitella diphylla，虎耳草科) |
| 二叶槭花草 | double leaf maplewort (Epimedium diphyllum Lodd.，小檗科) |
| 二叶猪秧 | twin-leaf bedstraw (Galium bi folium Wats，茜草科) |
| 二叶红门兰 | two-leaf orchis (Orchis diantha Schitr.，兰科) |
| 二叶苞婴粟 | celandine poppy (Stylophorum diphyllum，罂粟科) |
| 二叶萩歪头菜，Vicia unijuga Al. Br.，豆科 | pair vetch |
| 二唇花 | jovellana (Jovellana violacea sp.) |
| 二唇花属 | jovellana (Jovellana Linn.，玄参科) |
| 二小星蝽胡麻黑腹蝽，Eysarcoris ventralis Westwood，蝽科 | white spotted stinkbug |
| 二尾兰 | vrydagzynea (Vrydagzynea nuda Bl.) |
| 二尾兰属 | vrydagzynea (Vrydagzynea Bl.，菊科) |
| 二尾蚜属 | willow aphids (Cavariella spp.) |
| 二带虻 | two-banded horsefly (Tabanus ditaeniatus Macguart，虻科) |
| 二年生还阳参粗糙还阳参，Crepis biennis L.，菊科 | rough hawk's-beard |
| 二年石松 | stiff clubmoss (Lycopodium annotinum L.，石松科) |
| 二形卷柏 | biformis moss (Selaginella biformis A. Br.，卷柏科) |
| 二星切根虫 | two-spotted noctuid (Rhyacia baja Fabricius，夜蛾科) |
| 二星缘蝽 | two-spotted rice bug (Cletus rusticus Stal，缘蝽科) |
| 二巨星蝽 | white spotted globular stinkbug (Eysarcoris guttiger Thunberg，蝽科) |
| 二星豆象 | two-spotted bean weevil (Eruchus japonicus Harold，豆象科) |
| 二月兰诸葛菜，Orychophragmus violaceus O. E. Schulz，十字花科 | purple flowered mustard |
| 二条叶甲 | two-striped leaf beetle (Monolepta nigrobilineata Motschulsky，叶甲科) |
| 二棱大麦 | two-row barley (Hordeum distichen L.，禾本科) |
| 二棱大麦 | two-rowed barley (Hordeum distichen L.，禾本科) |
| 二歧银莲花 | dichotomous anemone (Anemone dichotoma L.，毛茛科) |
| 二溴百里酚磺酞 | bromthymol blue |
| 二点黑尾叶蝉 | rice leafhopper (Nephotettix virescens (Distant)) |
| 二点黑尾叶蝉 | "omo"wereng (Nephotettix virescens (Distant)) |
| 二点黑尾叶蝉 | green rice leafhopper (Nephotettix virescens (Distant)) |
| 二点黑尾叶蝉 | oriental green rice leafhopper (Nephotettix impicticeps Ishihara，叶蝉科) |
| 二粒小麦 | twograined spelt (Triticum dicoccum Schübl.，禾本科) |
| 二粒小麦 | emmer wheat (Triticum dicoccum Schübl.，禾本科) |
| 二粒小麦 | emmer (Triticum dicoccum Schübl.，禾本科) |
| 二色科林花 | Chinese house (Collinsia bicolor Benth，玄参科) |
| 二色金光菊 | pine-woods coneflower (Rudbeckia bicolor Nutt.，菊科) |
| 二花蒲苞花 | two-flower calceolaria (Calceolaria biflora Lam.，玄参科) |
| 二花郁金香 | two-flower tulip (Tulipa biflora Pall.，百合科) |
| 二裂耳挖草裂狸藻，Utricularia bifida L.，狸藻科 | bifidus bladder wort |
| 二裂苧麻 | bilobus false-nettle (Boehmeria biloba Wedd.，荨麻科) |
| 二黑带灯蛾 | two-black-banded tiger moth (Spilarctia bifasciata Butler，灯蛾科) |
| 二齿铁线子 | common balata (Manilkara bidentata，山榄科) |
| 二齿铁线子 | balata (Manilkara bidentata A.Chev.) |
| 加州二叶松 | California swamp pine (Pinusmuricata D. Don.，松科) |
| 加州二叶松 | obispo pine (Pinusmuricata D. Don.，松科) |
| 十二卷 | wart plant (Haworthia Duval.，百合科) |
| 十二卷 | haworthia (Haworthia Duval.，百合科) |
| 十二卷蛇尾兰，Haworthia fasciata Haw. | haworthia |
| 十二卷属蛇尾兰属，Haworthia Duval，百合科 | haworthia |
| 南瓜十二星叶甲 | corn root worm (Paropsides duodecimpunctata Gebler) |
| 南瓜十二星叶甲 | twelve-spotted cucumber beetle (Paropsides duodecimpunctata Gebler) |
| 南瓜十二星叶甲 | corn bud worm (Paropsides duodecimpunctata Gebler; Diabrotica，叶甲科) |
| 南瓜十二星叶甲 | corn rootworm (Paropsides duodecimpunctata Gebler) |
| 南瓜十二星叶甲 | corn budworm (Paropsides duodecimpunctata Gebler) |
| 咖啡二点蟋蟀 | two spotted cricket (Gryllus bimaculatus De Geer，蟋蟀科) |
| 小二仙草 | sea berry (Halorrhagis micrantha R. Br.) |
| 小二仙草属 | sea berry (Halorrhagis Forst.，小二仙草科) |
| 小二仙草科蚁塔科，Halorrhagaceae | water milfoil family |
| 小二点蝽 | lesser two-spotted bug (Eusarcoris ventrialis Westword.，蜻科) |
| 当归二尾蚜 | angelica aphid (Cavarilla angelicae Matsumura，蚜科) |
| 柳二尾舟蛾 | larger grained moth (Dicranura erminea menciana Moore，舟蛾科) |
| 桑二星锈天牛 | mulberry rusty longicorn (Mesosella simiola Bates，天牛科) |
| 梨二叉蚜 | pear aphid (Toxoptera piricola Mats.，蚜科) |
| 橘二叉蚜 | brown citrus aphid (Aphis citricida Kirkaldy，蚜科) |
| 橘二岔蚜 | black citrus aphid (Toxoptera aurantii Fonscolombe，蚜科) |
| 热带橘二岔蚜 | brown citrus aphid (Toxoptera citricida Kirkaldy; Aphis，蚜科) |
| 热带橘二岔蚜 | black citrus aphid (Toxoptera citricida Kirkaldy; Aphis，蚜科) |
| 热带橘二岔蚜 | tropical citrus aphid (Toxoptera citricida Kirkaldy; Aphis，蚜科) |
| 甘蔗二点螟 | shoot borer (Chito infuscatellus Snell，螟蛾科) |
| 甘薯二条龟甲 | two-striped sweet potato beetle (Metriona bivittatus(Say); Cassida，龟甲科) |
| 甘薯二条龟甲 | striped tortoise beetle (Metriona bivittatus(Say); Cassida，龟甲科) |
| 甜菜二星螟蛾 | southern beet webworm (Herpetogramma bipunctalis Fabricius; Pachyzancla，草螟科) |
| 石刁柏十二星叶甲 | twelve-spotted asparagus beetle (Crioceris duodecim punctata Fabricius，叶甲科) |
| 石刁柏十二星叶甲 | spotted asparagus beetle (Crioceris duodecimpunctata L.，叶甲科) |
| 胡椒二星天牛 | pepper borer (Pelargcderus bipunctatus Dalman，天牛科) |
| 花生二点叶蝉 | peanut leafhopper (Cicadulina arachidis China) |
| 芹菜二尾蚜 | willow two-tailed aphid (Cavariella bicaudata Essig et Kuwana，蚜科) |
| 菖蒲二叉蚜 | false-sweet-flag aphid (Toxoptera acori Theobald，蚜科) |
| 葡萄二星斑叶蝉 | grape leafhopper (Erythroneura apicalis Nawa) |
| 野生二棱大麦 | two-rowed wild barley (Hordeum spontaneum C. Koch.，禾本科) |
| 野生二棱大麦 | ancestral two row barley (Hordeum spontaneum Koch.，禾本科) |
| 野生二粒小麦 | wild emmer (Triticum dicoccoides Korn.，禾本科) |
| 香蕉二带实蝇 | banana fruit fly (Dacus curvipennis Frogg.，实蝇科) |
| 高岭二年石松 | alpine stiff clubmoss (Lycopodium annotinum var. acrifolum Fernaid.，石松科) |
| 麦二叉蚜 | spring-grain aphid (Toxoptera graminum Rond.，蚜科) |
| 麦二叉蚜 | green bug (Toxoptera graminum Rond.，蚜科) |
| 麦二岔 | green bug (Schizaphis graminum (Rondani); Toxoptera，蚜科) |
| 麦二岔 | spring-grain aphid (Schizaphis graminum (Rondani); Toxoptera，蚜科) |
| 龙牙草二叉蚜 | agrimony aphid (Toxoptera agrimoniae Shinji，蚜科) |