期刊
BIOLOGICAL CONTROL
卷 58, 期 3, 页码 182-191出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.biocontrol.2011.05.006
关键词
Hymenoptera; Encyrtidae; Anicetus; ceroplastis species group; DNA barcoding; mtDNA; 28S rRNA; DNA sequences; Taxonomy; Host specificity; Ceroplastes; Coccidae
资金
- National Natural Science Foundation of China (NSFC) [30870321, 31071950]
- Ministry of Agriculture of the People's Republic of China [200803002]
- Ningbo Science and Technology Bureau [2009C10004]
The genus Anicetus includes economically important biocontrol agents that are introduced for control of soft and wax scale insect agricultural pests (Ceroplastes spp.). Understanding of host-parasitoid associations is critical to the successful outcome of their utilization in biological control projects. However, identification of these parasitoids is often difficult because of their small size and generally similar morphological features, and hence, studies on the host-parasitoid associations. Here, nucleotide sequence data were generated from the mitochondrial COI gene and the D2 region of 28S rRNA to assess genetic variation within and between species of Anicetus occurring in China. The results of this study support the use of the COI and the D2 region of 28S rRNA gene as useful markers in separating species of Anicetus, even in cases where morphological differences are subtle. On the other hand, the COI gene is also useful in recognizing species with much variation in morphology. DNA barcoding reveals high levels of host specificity of endoparasitoids wasps in the genus Anicetus. Our results indicate that each Anicetus species is adapted to a limited set of host species, or even are monospecific in their host choice. (C) 2011 Elsevier Inc. All rights reserved.
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