Dataset Information

Characterization of the complete mitochondrial genome of Euwallacea fornicatus (Eichhoff, 1868) (Coleoptera: Curculionidae: Scolytinae) and its phylogenetic implications.

ABSTRACT: In the present report, we described the complete mitochondrial genome of Euwallacea fornicatus from Sindien, New Taipei City, Taiwan. The length of the complete mitogenome of E. fornicatus is 15,743 bp and the mitogenome contains 13 protein-coding, 22 tRNA and two rDNA genes. Nucleotide compositions of the whole mitogenome are 39.41% for A, 33.84% for T, 16.64% for C, and 10.11% for G. The AT and GC skewness of mitogenome sequence was 0.076 and -0.244, showing the A-skew and C-skew. The reconstructed phylogenetic relationships of 33 Curculionid species based on 13 mitochondrial protein-coding genes received absolute support (100%). Euwallacea fornicates is sister to the rest species in Xyleborini. The phylogenetic position of Scolytinae is sister to the clade including Cucurlioninae, Molytinae and Cryptorhynchinae. Mitogenomic data from this study will provide useful information for further studies for the population genetics, invasive history and pest control of E. fornicatus in the future.

SUBMITTER: Wang LJ

PROVIDER: S-EPMC7782872 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Characterization of the complete mitochondrial genome of Euwallacea fornicatus (Eichhoff, 1868) (Coleoptera: Curculionidae: Scolytinae) and its phylogenetic implications.

Wang Liang-Jong LJ Hsu Meng-Hao MH Liu Tse-Yen TY Lin Ming-Ying MY Sung Chia-Hsuan CH

Mitochondrial DNA. Part B, Resources 20201007 3

In the present report, we described the complete mitochondrial genome of Euwallacea fornicatus from Sindien, New Taipei City, Taiwan. The length of the complete mitogenome of E. fornicatus is 15,743 bp and the mitogenome contains 13 protein-coding, 22 tRNA and two rDNA genes. Nucleotide compositions of the whole mitogenome are 39.41% for A, 33.84% for T, 16.64% for C, and 10.11% for G. The AT and GC skewness of mitogenome sequence was 0.076 and -0.244, showing the A-skew and C-skew ...[more]

PMID: 33458219

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Project description:The tea shot-hole borer, Euwallacea fornicatus Eichhoff, is an ambrosia beetle endemic to Asia and a pest of commercial tea, Camellia sinensis (L.) Kuntze. Recently, a complex of species morphologically similar to E. fornicatus has been recognized, which includes new pests established in Israel and the USA, both in California and Florida. Collectively termed E. nr. fornicatus, these cryptic species carry symbiotic Fusarium spp. fungi, some of which cause dieback disease in susceptible hosts, which include avocado, Persea americana Miller. Due to the threat to this economically important crop, research was initiated to evaluate efficacy of kairomone-based lures for detection of the beetle in Florida (termed the Florida tea shot hole borer, FL-TSHB). A series of field tests were conducted in 2016 in commercial avocado groves known to have FL-TSHB at various population levels. All tests evaluated lures containing quercivorol (p-menth-2-en-1-ol) and α-copaene, presented separately and in combination; and one test evaluated effect of trap type on beetle captures. In addition, electroantennography (EAG) was used to quantify female olfactory responses to lure emissions. This study identified (-)-α-copaene as a new attractant for FL-TSHB, equivalent in efficacy to quercivorol (the standard lure for Euwallacea detection in the USA); however, the combination of lures captured significantly more FL-TSHB than either lure alone. This combination resulted in synergistic attraction at two field sites and additive attraction at a third site. Sticky panel traps captured more FL-TSHB than comparably-baited Lindgren funnel traps. Females engaged in host-seeking flight from 11:00 to 16:00 hr (EST), with peak numbers observed between 12:00 and 13:00 hr. EAG analyses confirmed olfactory chemoreception of both kairomones, with a higher response elicited with the combination of volatiles. Results indicate that detection of pest E. nr. fornicatus in Florida can be improved by using a two-component lure consisting of p-menth-2-en-1-ol and (-)-α-copaene.

Dataset Information

Characterization of the complete mitochondrial genome of Euwallacea fornicatus (Eichhoff, 1868) (Coleoptera: Curculionidae: Scolytinae) and its phylogenetic implications.

Publications

Characterization of the complete mitochondrial genome of <i>Euwallacea fornicatus</i> (Eichhoff, 1868) (Coleoptera: Curculionidae: Scolytinae) and its phylogenetic implications.

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