scholarly journals The influence of some environmental factors on the biological performance of the Eucalyptus gall wasp, Ophelimus maskelli (Ashmead) on the leaves of Eucalyptus camaldulensis under field conditions in Kerbala, Iraq

2020 ◽  
Vol 38 (1) ◽  
pp. 1-9
Author(s):  
Taha Moussa El Sweedi ◽  
◽  
Zeinab Alawi Al-Tememe ◽  
Adnan Lahouf ◽  
Alaa Al-Amiri ◽  
...  
Keyword(s):  
Environmental Factors ◽  
Eucalyptus Camaldulensis ◽  
Field Conditions ◽  
Gall Wasp ◽  
Eucalyptus Gall Wasp ◽  
Biological Performance ◽  
Ophelimus Maskelli

scholarly journals First record of the eucalyptus gall wasp, Leptocybe invasa Fisher and La Salle (Hymenoptera: Eulophidae), in Iraq

2012 ◽  
Vol 65 (3) ◽  
pp. 93-98 ◽  
Author(s):  
Feyroz R. Hassan
Keyword(s):  
New Genus ◽  
Eucalyptus Camaldulensis ◽  
First Record ◽  
Kurdistan Region ◽  
New Genus And Species ◽  
Gall Wasp ◽  
Leptocybe Invasa ◽  
Eucalyptus Gall Wasp ◽  
First Time

The eucalyptus gall wasp, <em>Leptocybe invasa </em>(Hymenoptera: Eulophidae), is a new genus and species recorded for the first time in Duhok city, Kurdistan region, Iraq. <em>L. invasa </em>makes galls on petioles, leaf midribs and young branches of <em>Eucalyptus camaldulensis </em>saplings and trees. This galling eventually can lead to heavily injured saplings. The average number of galls was 37.23 gall/branch, and major infestation was on leaf midribs with an average of 19.35 galls.

scholarly journals First record of Closterocerus chamaeleon, parasitoid of the Eucalyptus Gall Wasp Ophelimus maskelli (Hymenoptera, Chalcidoidea, Eulophidae), in the New World

ZooKeys ◽  
2015 ◽  
Vol 504 ◽  
pp. 149-152 ◽  
Author(s):  
Roger A. Burks ◽  
Jason L. Mottern ◽  
Nicole G. Pownall ◽  
Rebeccah Waterworth ◽  
Timothy D. Paine
Keyword(s):  
New World ◽  
First Record ◽  
Gall Wasp ◽  
Closterocerus Chamaeleon ◽  
Eucalyptus Gall Wasp ◽  
Ophelimus Maskelli

Structure and Sense Organs of Ovipositors of an Endoparasitoid Aprostocetus causalis and an Ectoparasitoid Quadrastichus mendeli in Leptocybe spp.

2019 ◽  
Vol 25 (1) ◽  
pp. 250-256
Author(s):  
Zong-You Huang ◽  
Si-Yan Li ◽  
Wen Lu ◽  
Xia-Lin Zheng
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Host Selection ◽  
Selection Process ◽  
Sense Organs ◽  
Gall Wasp ◽  
Essential Information ◽  
Transmission Electron ◽  
Host Detection ◽  
Eucalyptus Gall Wasp

AbstractLittle is known of the olfactory mechanisms of host detection in the ovipositors of endoparasitoids and ectoparasitoids. An endoparasitoid Aprostocetus causalis La Salle & Wu (Hymenoptera: Eulophidae) and an ectoparasitoid Quadrastichus mendeli Kim & La Salle (Hymenoptera: Eulophidae: Tetrastichinae) are the two parasitoids of the eucalyptus gall wasp Leptocybe spp. Structures and sense organs of ovipositors of A. causalis and Q. mendeli were studied using scanning and transmission electron microscopy, which provided essential information for exploring the mechanism of host detection by endoparasitoid and ectoparasitoid. The ovipositors of two parasitoids consisted of the first and second valvulae and ended in a pointed tip. There were three types of microtrichia, two types of sensilla chaetica, and one type of sensilla campaniformia on the ovipositors of A. causalis and Q. mendeli. However, Q. mendeli has the fourth type of microtrichia on the ovipositor. The morphology, types, distribution, length, and width of these sensilla and microtrichia were described, and their possible functions are discussed in conjunction with the stinging, oviposition, and the host selection process.

Contribution of host and environmental factors to the hyperparasitism of coffee rust under field conditions

2015 ◽  
Vol 44 (6) ◽  
pp. 605-610 ◽  
Author(s):  
S. J. Martins ◽  
A. C. Soares ◽  
F. H. V. Medeiros ◽  
D. B. C. Santos ◽  
E. A. Pozza
Keyword(s):  
Environmental Factors ◽  
Field Conditions ◽  
Coffee Rust

scholarly journals Biological traits of Quadrastichus mendeli (Hymenoptera, Eulophidae), parasitoid of the eucalyptus gall wasp Leptocybe invasa (Hymenoptera, Eulophidae) in Thailand

Parasite ◽  
2019 ◽  
Vol 26 ◽  
pp. 8
Author(s):  
Benjakhun Sangtongpraow ◽  
Kosol Charernsom
Keyword(s):  
Developmental Time ◽  
Egg Load ◽  
Biological Traits ◽  
Female Size ◽  
Gall Wasp ◽  
Potential Fecundity ◽  
The Mean ◽  
Leptocybe Invasa ◽  
Eucalyptus Gall Wasp ◽  
Honey Solution

Quadrastichus mendeli Kim & La Salle, a parasitoid of Leptocybe invasa Fisher & La Salle, is a uniparental species. This study assessed the biological traits of Q. mendeli in the laboratory at a temperature of 27 ± 1 °C. Diets had a highly significant effect on the mean longevity of female Q. mendeli. Feeding honey solution prolonged the mean longevity of the parasitoid to 4.80 days. The estimated 50% survival period was 3 days. The mean potential fecundity in all ages was 8.85 eggs per female. Age had a highly significant effect on the mean egg load. There was a positive relationship between egg load and female size. The mean of realized fecundity throughout the life span was 2.47 progenies per female. The mean developmental time of Q. mendeli from the egg to adult stage was 27.06 days. The shorter developmental time of Q. mendeli in comparison to its host can be considered a reason for the successful control of L. invasa in Thailand.

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