Utilization of Flowe Fly, Eristalis cerealis FABRICIUS for Cross Breeding of Tea

Takeda, Yoshiyuki; Yanase, Yoshimitsu

doi:10.5979/cha.1990.37

Cited by 6 publications

(4 citation statements)

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“…), which leads to them being considered as potential pollinators (Jauker & Wolters, ; Pontin, Wade, Kehrli, & Wratten, ; Rader et al, ). In fact, these insects have proved to be efficient when working in isolated cages in greenhouses to improve the seed production of different crops (Gladis, ; Jarlan, de Oliveira, & Gingras, ; Kim, Goh, Hong, & Lee, ; Kobayashi, ; Ohsawa & Namai, , ; Okamoto, Goto, & Ueki, ; Takeda & Yanase, ).…”

Section: Introductionmentioning

confidence: 99%

Demography and population parameters of two species of eristaline flower flies (Diptera, Syrphidae, Eristalini)

Campoy

Sáez

Pérez‐Bañón

2019

J Applied Entomology

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The importance of eristaline flies (Diptera, Syrphidae, Eristalini) as pollinators in natural ecosystems and for agricultural crops is well known. However, in‐depth studies on the life cycle of most of these species have yet to be carried out. The aim of this research was to study the life cycle of Eristalis tenax (Linnaeus, 1758) and Eristalinus aeneus (Scopoli, 1763) in order to improve the current rearing system employed at the University of Alicante. The results were analysed using the age‐stage, two‐sex life table method. As one of the main results, the mean duration of the life history of E. tenax and E. aeneus was 46.06 and 65.12 days (d), respectively. The most critical step for both species was found at the beginning of the larval stage (first instar), when the highest mortality was recorded. Population parameters were also analysed and compared. The intrinsic rate of increase (r), the finite rate of increase (λ), the net reproductive rate (R0) and the mean generation time (T) were 0.09 (d−1), 1.09 (d−1), 42.11 offspring and 40.97 d, in the case of E. aeneus and 0.05 (d−1), 1.05 (d−1), 23.13 offspring and 59.23 d, in the case of E. tenax. These results indicate that the current rearing system is more efficient for E. aeneus, which displays a faster population growth. However, some modifications need to be implemented to improve the production of E. tenax.

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Section: Introductionmentioning

confidence: 99%

Demography and population parameters of two species of eristaline flower flies (Diptera, Syrphidae, Eristalini)

Campoy

Sáez

Pérez‐Bañón

2019

J Applied Entomology

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“…Adult flies are efficient crop pollinators (Howlett & Gee, 2019; Rader et al, 2020) and play a vital role in horticulture, as well as in fruit and vegetable production in greenhouses (Garratt et al, 2014; Jarlan et al, 1997; Takeda & Yanase, 1990). In addition, the rat‐tailed drone fly maggots (the immature stage) play an important ecological role as saprophages in liquid organic matter (Speight, 2020).…”

Section: Methodsmentioning

confidence: 99%

Sexual size and shape dimorphism, and allometric scaling in the pupal and adult traits of Eristalis tenax

Ludoški

Francuski

Gojković

et al. 2023

Ecology and Evolution

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The patterns and amount of variation in size, shape, and/or life history traits between females and males are fundamentally important to gain the comprehensive understanding of the evolution of phenotypic diversity. In addition, the covariation of phenotypic traits can significantly contribute to morphological diversification and sexual dimorphism (SD). Using linear and geometric morphometrics, 237 Eristalis tenax specimens sampled from five populations were, therefore, comparatively assessed for the variation in sexual size dimorphism (SSD), sexual shape dimorphism (SShD), and life history traits, as well as for trait covariation (ontogenetic and static allometry). Pupal body, adult wing, and body mass traits were analyzed. Female-biased SSD was observed for pupal length, width, and centroid size, adult wing centroid size, mass, wing loading, and wing area. Conversely, pupal length/width ratio, developmental time, and mass were not found to be sexually dimorphic. Next, wing SShD, but not pupal body SShD was revealed, while allometry was found to be an important "determinant of SD" at the adult stage, with only a minor impact at the pupal stage. By comparing the patterns of covariance (based on allometric slope and intercept) between respective body mass and morphometric traits of pupae and adults, greater variation in allometric slopes was found in adult traits, while static allometries of the two stages significantly differed, as well. Finally, the results indicate that changes in the allometric intercept could be an important source of intraspecific variation and SD in drone fly adults.

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“…The hoverfly Eristalis tenax is a cosmopolitan species that uses organic matter as its food source (Heal, 1979a). Adult Eristalis resemble the honeybee Apis mellifera and are important pollinators of a variety of plants in both natural and agricultural systems (Heal, 1979a; Jarlan et al, 1997; Johnson et al, 2009; Kehinde & Samways, 2014; Rotheray & Gilbert, 2011), including important crops such as Brassica ( Brassica campestris L. and Brassica juncea L. Ohsawa & Namai, 1987, 1988), green tea ( Camellia sinensis L. Takeda & Yanase, 1990), grapes ( Vitis coignetiae Pulliat Okamoto et al, 2008), apple ( Malus domestica Borkh Solomon & Kendall, 1970) and strawberry (Kendall et al, 1971). Pollination by Eristalis hoverflies increases the circumference, length, and weight of fruit (Jarlan et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

Developmental performance of Eristalis tenax larvae (Diptera: Syrphidae): Influence of growth media and yeast addition during captive rearing

Kamdem

Otomo

2023

J Exp Zool Pt A

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In holometabolous insects, life‐history characteristics can vary in response to diet. The main aim of this contribution was to examine which diet best promotes larval development and survival of the aquatic saprophagous hoverfly Eristalis tenax L. (Diptera: Syrphidae). This study was motivated by a need to optimize techniques for rearing these insects in captivity. We studied how adding yeast to several rearing media based on animal droppings or decaying plant material affected development and survival in captive larvae, and whether these effects could be optimized depending on the amount of yeast and the rearing medium. In addition, premature exit of larvae was examined in two medium volumes to investigate differences in pupation. Larvae in yeast supplemented rabbit growth medium pupated and emerged faster than those in horse and antelope growth media. A high number of adult females emerged when compared to males, and both seemed to have a shorter developmental period in yeast supplemented growth media. Pupal survival was significantly greater in a mixture of droppings and plant organic matter, and a high medium volume of 140 ml (p < 0.05). Between 10% and 17% of larvae prematurely exited the aquatic medium in high (140) and low (70 ml) medium volumes, respectively. These results provide additional information that may be crucial for the successful mass rearing of E. tenax in captivity, and suggest that apart from the addition of yeast, growth medium quality and volume may be limiting factors for the production of large colonies of adults.

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Utilization of Flowe Fly, Eristalis cerealis FABRICIUS for Cross Breeding of Tea

Cited by 6 publications

References 0 publications

Demography and population parameters of two species of eristaline flower flies (Diptera, Syrphidae, Eristalini)

Demography and population parameters of two species of eristaline flower flies (Diptera, Syrphidae, Eristalini)

Sexual size and shape dimorphism, and allometric scaling in the pupal and adult traits of Eristalis tenax

Developmental performance of Eristalis tenax larvae (Diptera: Syrphidae): Influence of growth media and yeast addition during captive rearing

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