scholarly journals Biology, Life History, and Laboratory Rearing of Spathius galinae (Hymenoptera: Braconidae), a Larval Parasitoid of the Invasive Emerald Ash Borer (Coleoptera: Buprestidae)

2014 ◽  
Vol 107 (3) ◽  
pp. 939-946 ◽  
Author(s):  
Jian J. Duan ◽  
Timothy J. Watt ◽  
Kristi Larson
Keyword(s):  
Life History ◽  
Emerald Ash Borer ◽  
Laboratory Rearing ◽  
Larval Parasitoid

scholarly journals Biology and Life History ofTetrastichus planipennisi(Hymenoptera: Eulophidae), a Larval Endoparasitoid of the Emerald Ash Borer (Coleoptera: Buprestidae)

2011 ◽  
Vol 94 (4) ◽  
pp. 933-940 ◽  
Author(s):  
Jian J. Duan ◽  
Craig B. Oppel ◽  
Michael D. Ulyshen ◽  
Leah S. Bauer ◽  
Jonathan LeLito
Keyword(s):  
Life History ◽  
Emerald Ash Borer

Natural enemies of emerald ash borer (Coleoptera: Buprestidae) in northeast China, with notes on two species of parasitic Coleoptera

2015 ◽  
Vol 148 (3) ◽  
pp. 329-342 ◽  
Author(s):  
Xiao-Yi Wang ◽  
Liang-Ming Cao ◽  
Zhong-Qi Yang ◽  
Jian J. Duan ◽  
Juli R. Gould ◽  
...  
Keyword(s):  
Natural Enemies ◽  
Geographic Origin ◽  
Emerald Ash Borer ◽  
Egg Parasitoid ◽  
Agrilus Planipennis ◽  
Liaoning Province ◽  
Natural Forests ◽  
Mortality Factors ◽  
Larval Parasitoid ◽  
Time Of Year

AbstractTo investigate natural enemies of emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), in northeastern China, we conducted field surveys of ash (Fraxinus Linnaeus (Oleaceae)) trees in semi-natural forests and plantations at variable EAB densities from 2008 to 2013. Our surveys revealed a complex of natural enemies including eight hymenopteran parasitoids and two apparently parasitic Coleoptera, woodpeckers, and several undetermined mortality factors. Parasitoid complex abundance and its contribution to EAB mortality varied with the time of year, type of ash stands, and geographic regions. The egg parasitoid Oobius agrili Zhang and Huang (Hymenoptera: Encyrtidae) and the larval parasitoid Tetrastichus planipennisi Yang (Hymenoptera: Eulophidae) were frequently observed in Jilin, Liaoning, and Heilongjiang provinces and in Beijing, but not in Tianjin. Spathius agrili Yang (Hymenoptera: Braconidae), however, was more prevalent near Beijing and further south in Tianjin. Larvae of two species of apparently parasitic beetle, Tenerus Laporte (Coleoptera: Cleridae) species and Xenoglena quadrisignata Mannerheim (Coleoptera: Trogossitidae), were also recovered attacking overwintering EAB in Liaoning Province, with Tenerus species being a dominant mortality agent (~13%). Our findings support the need to consider the geographic origin of insect natural enemies for EAB biocontrol, as well as an expanded foreign exploration for EAB natural enemies throughout its native range in Asia.

Review of the emerald ash borer (Coleoptera: Buprestidae), life history, mating behaviours, host plant selection, and host resistance

2015 ◽  
Vol 147 (3) ◽  
pp. 252-262 ◽  
Author(s):  
Therese M. Poland ◽  
Yigen Chen ◽  
Jennifer Koch ◽  
Deepa Pureswaran
Keyword(s):  
Life History ◽  
Host Plant ◽  
Host Resistance ◽  
Management Strategies ◽  
Emerald Ash Borer ◽  
The United States ◽  
Agrilus Planipennis ◽  
Host Plant Selection ◽  
Plant Selection ◽  
Ash Trees

AbstractAs of summer 2014, the invasive emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), has become established in 24 states in the United States of America and has killed tens of millions of ash trees since its introduction into Michigan in the 1990s. Considerable research has been conducted on many aspects of EAB life history, natural history, ecology, and management strategies in an attempt to contain this devastating pest. In this article, we review the life history, mating behaviours, and host plant selection by EAB in North America as well as host resistance to EAB attack.

Revision of the life history of the High Arctic moth Gynaephora groenlandica (Wocke) (Lepidoptera: Lymantriidae)

1998 ◽  
Vol 76 (7) ◽  
pp. 1371-1381 ◽  
Author(s):  
W Dean Morewood ◽  
Richard A Ring
Keyword(s):  
Life History ◽  
Life Cycle ◽  
Head Capsule ◽  
High Arctic ◽  
The Arctic ◽  
Base Line ◽  
Laboratory Rearing ◽  
History Information ◽  
History Of ◽  
Gynaephora Groenlandica

Many studies have explored the adaptations of arctic and alpine Gynaephora species (Lepidoptera: Lymantriidae) to their environment, and base-line life-history information is important for the interpretation of such studies. Data and observations on G. groenlandica (Wocke) collected in recent years at Alexandra Fiord, Ellesmere Island, Canada, contradict some of the life-history information previously published for this species from the same site. Detailed analysis of larval head capsule widths and consideration of growth ratios indicate that there are seven rather than six larval instars and that the pattern of development does not deviate significantly from that defined by the Brooks-Dyar rule. Field-rearing of larvae indicates that first-instar larvae overwinter, while field- and laboratory-rearing both indicate that larvae moult once per year, every year. These data and observations greatly shorten and simplify the life history from that previously published and suggest a life cycle of 7 rather than 14 years. This revised life cycle is not presented as an absolute, in recognition of the potential for individual variation, but rather as typical of the developmental pattern of most of the population. As such, it should provide a useful base line for further studies, especially those addressing the influence of predicted climate change in the Arctic.

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