Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1093/ee/nvaa066 |
| Exposed Neophasia terlooii (Lepidoptera: Pieridae) Eggs are Resistant to Desiccation During Quiescence | |
| Halbritter, D. A. | |
| 通讯作者 | Halbritter, DA |
| 来源期刊 | ENVIRONMENTAL ENTOMOLOGY
 |
| ISSN | 0046-225X |
| EISSN | 1938-2936 |
| 出版年 | 2020 |
| 卷号 | 49期号:4页码:918-923 |
| 英文摘要 | Terrestrial insects face the risk of desiccation owing to their small size and high surface area to volume ratios. Insect eggs adhered to exposed substrates are especially prone to extremes in temperature and available moisture.The potential of butterfly egg clusters to withstand desiccation in saturated and unsaturated atmospheres was investigated in this study. Butterflies in the genus Neophasia (Lepidoptera: Pieridae) lay their eggs along live pine needles and they must survive long intervals without available liquid water while overwintering. After 2 d in a desiccating environment, groups of Neophasia terlooii Behr eggs were exposed to several different humidified chambers for 8 d at 5 degrees C. Group masses were monitored over time and the change in mass was compared to the pre-desiccation mass. Changes in mass were minimal, ranging from a 3% increase in the saturated chamber (100% RH) to a 2% decrease in the driest chamber (<10% RH). Ambient humidity was recorded from among the pine needles of a live tree branch in the natural habitat for 2 wk at the start of the overwintering period. Daytime relative humidity among the pine needles dropped as low as 14.5% but rose as high as 92% at night. In the absence of precipitation, N. terlooii eggs can remain within 2% of their starting weight for 10 d at a constant RH of <10% at 5 degrees C.The mechanism for avoiding desiccation and the physical properties of the egg coating are discussed in the context of life in an arid environment. |
| 英文关键词 | desiccation eggshell humidity survival |
| 类型 | Article |
| 语种 | 英语 |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000581004700018 |
| WOS关键词 | THERMOBIA-DOMESTICA PACKARD ; WATER-VAPOR ; BALANCE ; ABSORPTION ; DIAPAUSE ; FIREBRAT ; HUMIDITY ; BEHAVIOR ; LARVAE |
| WOS类目 | Entomology |
| WOS研究方向 | Entomology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/327020 |
| 作者单位 | [Halbritter, D. A.] Univ Florida, Entomol & Nematol Dept, Steinmetz Hall,1881 Nat Area Dr, Gainesville, FL 32611 USA; [Halbritter, D. A.] USDA ARS, Invas Plant Res Lab, 3225 Coll Ave, Ft Lauderdale, FL 33314 USA |
| 推荐引用方式 GB/T 7714 | Halbritter, D. A.. Exposed Neophasia terlooii (Lepidoptera: Pieridae) Eggs are Resistant to Desiccation During Quiescence[J],2020,49(4):918-923. |
| APA | Halbritter, D. A..(2020).Exposed Neophasia terlooii (Lepidoptera: Pieridae) Eggs are Resistant to Desiccation During Quiescence.ENVIRONMENTAL ENTOMOLOGY,49(4),918-923. |
| MLA | Halbritter, D. A.."Exposed Neophasia terlooii (Lepidoptera: Pieridae) Eggs are Resistant to Desiccation During Quiescence".ENVIRONMENTAL ENTOMOLOGY 49.4(2020):918-923. |
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