Collection of host-marking pheromone from Rhagoletis mendax (Diptera: Tephritidae)

2016 ◽  
Vol 148 (5) ◽  
pp. 552-555 ◽  
Author(s):  
Nicoletta Faraone ◽  
N. Kirk Hillier ◽  
G. Christopher Cutler
Keyword(s):  
Fruit Fly ◽  
Strong Preference ◽  
Marking Pheromone ◽  
Rhagoletis Mendax ◽  
Potential Applications ◽  
Host Marking Pheromone ◽  
Gravid Females

AbstractBlueberry fruit fly, Rhagoletis mendax Curran (Diptera: Tephritidae), females deposit a host-marking pheromone (HMP) on the surface of fruit immediately after oviposition that deters oviposition by female conspecifics. We collected this HMP from artificial oviposition devices and faeces. In subsequent two-choice bioassays, gravid females showed a strong preference for untreated oviposition devices as compared to those treated with extracts from either of these two sources. The methods described for collecting HMP of R. mendax will be useful for its eventual identification and synthesis, with potential applications in R. mendax management.

scholarly journals Host Marking Pheromone (HMP) in the Mexican Fruit Fly Anastrepha ludens

2010 ◽  
Vol 64 (1) ◽  
pp. 37-42 ◽  
Author(s):  
Andrew J. F. Edmunds ◽  
Martin Aluja ◽  
Fransico Diaz-Fleischer ◽  
Bruno Patrian ◽  
Leonhard Hagmann
Keyword(s):  
Fruit Fly ◽  
Anastrepha Ludens ◽  
Mexican Fruit Fly ◽  
Marking Pheromone ◽  
Host Marking Pheromone

Oviposition deterrents for the Mediterranean fruit fly, Ceratitis capitata (Diptera: Tephritidae) from fly faeces extracts

2006 ◽  
Vol 96 (1) ◽  
pp. 35-42 ◽  
Author(s):  
J. Arredondo ◽  
F. Díaz-Fleischer
Keyword(s):  
Field Experiments ◽  
Ceratitis Capitata ◽  
Fruit Fly ◽  
Mediterranean Fruit Fly ◽  
Oviposition Deterrent ◽  
Deterrent Effect ◽  
Marking Pheromone ◽  
Methanolic Extracts ◽  
Host Marking Pheromone ◽  
The Mediterranean

AbstractAfter oviposition, females of the Mediterranean fruit fly Ceratitis capitata Wiedemann deposit a host-marking pheromone on the fruit surface that deters oviposition by conspecifics. Methanolic extracts of fruit fly faeces elicit a similar deterrent effect. The results of laboratory and field experiments using raw methanolic extracts of C. capitata faeces as an oviposition deterrent are reported. Laboratory bioassays revealed a significant positive relationship between concentration of faeces and the inhibition of oviposition responses by C. capitata. Treatment of halves of coffee bushes with methanolic extracts containing 0.1, 1.0 and 10 mg faeces ml−1 resulted in a significant reduction of infestation only at the highest concentration (P = 0.03). Treatment of blocks of coffee bushes with an extract of 10 mg faeces ml−1 resulted in an 84%reduction in infestation by C. capitata in sprayed plants and a 56% reduction in adjacent untreated coffee bushes surrounding treated plots, probably due to the deterrent effect of host-marking pheromone on fly oviposition. We conclude that faeces contain oviposition deterrent substances that effectively reduce fruit infestations by C. capitata, suggesting a clear potential for the use of this infochemical in integrated management programmes targeted at this pest.

Identification of Glutamic Acid as a Host Marking Pheromone of the African Fruit Fly Species Ceratitis rosa (Diptera: Tephritidae)

2018 ◽  
Vol 66 (38) ◽  
pp. 9933-9941
Author(s):  
Xavier Cheseto ◽  
Donald L. Kachigamba ◽  
Mwanasiti Bendera ◽  
Sunday Ekesi ◽  
Mary Ndung’u ◽  
...  
Keyword(s):  
Glutamic Acid ◽  
Fruit Fly ◽  
Marking Pheromone ◽  
Host Marking Pheromone

scholarly journals Evidence for Potential of Managing Some African Fruit Fly Species (Diptera: Tephritidae) Using the Mango Fruit Fly Host-Marking Pheromone

2012 ◽  
Vol 105 (6) ◽  
pp. 2068-2075 ◽  
Author(s):  
Donald L. Kachigamba ◽  
Sunday Ekesi ◽  
Mary W. Ndung'u ◽  
Linus M. Gitonga ◽  
Peter E. A. Teal ◽  
...  
Keyword(s):  
Fruit Fly ◽  
Mango Fruit ◽  
Marking Pheromone ◽  
Host Marking Pheromone

scholarly journals Blue Tansy Essential Oil: Chemical Composition, Repellent Activity Against Aedes aegypti and Attractant Activity for Ceratitis capitata

2021 ◽  
Vol 16 (2) ◽  
pp. 1934578X2199019 ◽  
Author(s):  
Iris Stappen ◽  
Juergen Wanner ◽  
Nurhayat Tabanca ◽  
Ulrich R. Bernier ◽  
Paul E. Kendra
Keyword(s):  
Essential Oil ◽  
Aedes Aegypti ◽  
Ceratitis Capitata ◽  
Stationary Phases ◽  
Management Strategies ◽  
Fruit Fly ◽  
Effective Dosage ◽  
Mosquito Vector ◽  
Tea Tree ◽  
Potential Applications

Blue tansy essential oil (BTEO) ( Tanacetum annuum L.) was analyzed by GC-MS and GC-FID using two different capillary column stationary phases. Sabinene (14.0%), camphor (13.6%), myrcene (8.0%), β-pinene (7.7%), and chamazulene (6.9%) were the main components using an SE52 column (non-polar). On a polar CW20M phase column, sabinene (15.1%), camphor (14.4%), α-phellandrene (7.9%), β-pinene (7.7%), and myrcene (6.9%) were the most abundant compounds. To assess the oil for potential applications in integrated pest management strategies, behavioral bioassays were conducted to test for repellency against yellow fever mosquito Aedes aegypti, and for attractant activity for Mediterranean fruit fly Ceratitis capitata. Results showed that BTEO was not effective in repelling Ae. aegypti (minimum effective dosage [MED]: 0.625 ± 0.109 mg/cm2 compared with the standard insect repellent DEET (N,N-diethyl-3-methylbenzamide). In assays with male C. capitata, BTEO displayed mild attraction compared with two positive controls (essential oils from tea tree Melaleuca alternifolia and African ginger bush Tetradenia riparia). Additional studies are needed to identify the specific attractant chemicals in BTEO and to determine if they confer a synergistic effect when combined with other known attractants for C. capitata. To the best of our knowledge, this study represents the first investigation of BTEO for repellency against the mosquito vector Ae. aegypti and for attractancy to C. capitata, a major agricultural pest worldwide.

scholarly journals Social modulation of oogenesis and egg-laying in Drosophila melanogaster

2021 ◽  
Author(s):  
Bailly Tiphaine ◽  
Philip Kohlmeier ◽  
Rampal Etienne ◽  
Bregje Wertheim ◽  
Jean-Christophe Billeter
Keyword(s):  
Drosophila Melanogaster ◽  
Social Context ◽  
Social Systems ◽  
Fruit Fly ◽  
Egg Laying ◽  
Physiological Adaptation ◽  
Group Members ◽  
Selection For ◽  
Underlying Mechanisms ◽  
Gravid Females

Being part of a group facilitates cooperation between group members, but also creates competition for limited resources. This conundrum is problematic for gravid females who benefit from being in a group, but whose future offspring may struggle for access to nutrition in larger groups. Females should thus modulate their reproductive output depending on their social context. Although social-context dependent modulation of reproduction is documented in a broad range of species, its underlying mechanisms and functions are poorly understood. In the fruit fly Drosophila melanogaster, females actively attract conspecifics to lay eggs on the same resources, generating groups in which individuals may cooperate or compete. The tractability of the genetics of this species allows dissecting the mechanisms underlying physiological adaptation to their social context. Here, we show that females produce eggs increasingly faster as group size increases. By laying eggs faster in group than alone, females appear to reduce competition between offspring and increase their likelihood of survival. In addition, females in a group lay their eggs during the light phase of the day, while isolated females lay them during the night. We show that responses to the presence of others are determined by vision through the motion detection pathway and that flies from any sex, mating status or species can trigger these responses. The mechanisms of this modulation of egg-laying by group is connected to a lifting of the inhibition of light on oogenesis and egg-laying by stimulating hormonal pathways involving juvenile hormone. Because modulation of reproduction by social context is a hallmark of animals with higher levels of sociality, our findings represent a protosocial mechanism in a species considered solitary that may have been the target of selection for the evolution of more complex social systems.

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