Indirect effects of cigarette butt waste on the dengue vector Aedes aegypti (Diptera: Culicidae)

Dieng, Hamady; Rajasaygar, Sudha; Ahmad, Abu Hassan; Rawi, Che Salmah Md; Ahmad, Hamdan; Satho, Tomomitsu; Miake, Fumio; Zuharah, Wan Fatma; Fukumitsu, Yuki; Saad, Ahmad Ramli; Hamid, Suhaila Abdul; Vargas, Ronald Enrique Morales; Majid, Abdul Hafiz Ab; Fadzly, Nik; Kassim, Nur Faeza Abu; Hashim, Nur Aida; Ghani, Idris Abd.; Abang, Fatimah; AbuBakar, Sazaly

doi:10.1016/j.actatropica.2013.11.001

Cited by 47 publications

(26 citation statements)

References 44 publications

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“…Larvae that hatched within 24 hours were raised in quintuplicate at a density of 100 -150 per metallic enamel container (diameter=12 cm, depth=2 cm) half-filled with dechlorinated water. They were supplied a mixture of dog biscuits, beef liver, yeast, and milk powder (2:1:1:1) according to the feeding regimen and procedures described previously (0.15 g on day 1 of development, 0.30 g on day 4, with replacement of fresh water medium before the second feeding) (Dieng et al, 2014). Upon pupation, individuals were transferred into plastic cups (diameter=7.6 cm, depth=5.2 cm) the interior edge of which was lined with moist tissue paper.…”

Section: Mosquito Colonymentioning

confidence: 99%

Physical characteristics and reproductive performance in Aedes (Diptera: Culicidae)

Dieng

Abang

Ahmad

et al. 2016

J Entomol Acarol Res

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Body size is a physical factor of crucial importance underlying important traits of the reproductive dynamics of both sexes in mosquitoes. Most studies on the influence of body size in mating success of dengue vectors addressed sperm transfer to females and did not consider egg production, a prerequisite for population maintenance; male body size impact on reproduction has attracted little research interest with respect to sterile insect technique. In experiments involving differently sized adults, we examined whether the body size of the mates is a source of variation in reproductive outcome in Aedes aegypti. In the absence of male partners, large females (LF) showed better fecundity than small females (SF). In intraclass mating trials, egg production was much greater in largesized than smallsized pairs. There were comparable fecundities in large females mated with small males and large pairs. [SF•SM] and [SF•LM] pairs showed equivalent fecundity. Nonmating did not result in the production of viable eggs by either small or large females. We also observed that eggs produced by largesized females mated with small males had better hatching success than those from either small or large pairs. Mating between small females and large males resulted in poor egg viability.

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Section: Mosquito Colonymentioning

confidence: 99%

Physical characteristics and reproductive performance in Aedes (Diptera: Culicidae)

Dieng

Abang

Ahmad

et al. 2016

J Entomol Acarol Res

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“…The oviposition device used in all experiments was similar to that of Dieng et al [ 17 ] and consisted of a circular white plastic dish 12 cm in diameter and four plastic ice cream cups 9 cm in depth with lower and upper diameters of 5 cm and 7.5 cm, respectively. Each cup was interiorly lined with filter paper as an oviposition substrate.…”

Section: Methodsmentioning

confidence: 99%

“…All females used were starved for 12 hours before bioassay. In Experiment 2, the oviposition tubes used consisted of an acrylic tube (7.5 cm in depth and 3.2 cm in diameter, the interior of which was covered with a piece of filter paper as an egg deposition substrate, similar to those used previously [ 17 ]. Briefly, a 1.5-mL Eppendorf tube with the lower bottom surface removed was fixed to the tube cover and obstructed with a cotton pad imbibed with 10% sucrose solution to feed the tested female.…”

Section: Methodsmentioning

confidence: 99%

“…Eggs were then allowed to dry and embryonate for 3 days on their respective substrates under insectarium conditions as described previously [ 72 ]. All dried eggs that achieved development on each of the oviposition substrates imbibed with (i) HCE, (ii) UHCE, or (iii) WA were placed in plastic containers (250-mL capacity), where they were flooded with 50 mL of hatching solution similar to that described previously [ 17 ] consisting of 2 mL of 2-day-old tap water added to two droplets of dried yeast solution (0.003 g/100 mL). Larval eclosion success was noted 24 hours after flooding.…”

Section: Methodsmentioning

confidence: 99%

“…Female Ae. albopictus mosquitoes have been shown to oviposit in many human-made containers [ 16 ], and they are able to identify high-quality egg-laying sites [ 17 ]. They preferentially oviposit on sites that provide sufficient litter-based resources [ 18 ] because larval performance is responsive to the presence/absence of leaf litter.…”

Section: Introductionmentioning

confidence: 99%

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Coffee and its waste repel gravid Aedes albopictus females and inhibit the development of their embryos

et al. 2015

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BackgroundDengue is a prevalent arboviral disease and the development of insecticide resistance among its vectors impedes endeavors to control it. Coffee is drunk by millions of people daily worldwide, which is associated with the discarding of large amounts of waste. Coffee and its waste contain large amounts of chemicals many of which are highly toxic and none of which have a history of resistance in mosquitoes. Once in solution, coffee is brownish in colour, resembling leaf infusion, which is highly attractive to gravid mosquitoes. To anticipate the environmental issues related to the increasing popularity of coffee as a drink, and also to combat insecticide resistance, we explored the deterrence potentials of coffee leachates against the ovipositing and embryonic stages of the dengue vector, Aedes albopictus.MethodsIn a series of choice, no-choice, and embryo toxicity bioassays, we examined changes in the ovipositional behaviours and larval eclosion of Ae. albopictus in response to coffee extracts at different concentrations.ResultsOviposition responses were extremely low when ovicups holding highly concentrated extract (HCE) of coffee were the only oviposition sites. Gravid females retained increased numbers of mature eggs until 5 days post-blood feeding. When provided an opportunity to oviposit in cups containing coffee extracts and with water, egg deposition occurred at lower rates in those containing coffee, and HCE cups were far less attractive to females than those containing water only. Females that successfully developed in a coffee environment preferentially oviposited in such cups when in competition with preferred oviposition sites (water cups), but this trait did not continue into the fourth generation. Larval eclosion occurred at lower rates among eggs that matured in a coffee environment, especially among those that were maintained on HCE-moistened substrates.ConclusionsThe observations of the present study indicate a pronounced vulnerability of Ae. albopictus to the presence of coffee in its habitats during the early phases of its life cycle. The observations that coffee repels gravid females and inhibits larval eclosion provide novel possibilities in the search for novel oviposition deterrents and anti-larval eclosion agents against dengue vectors.

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A preliminary study on 3D printing feedstock derived from cellulose recovered from cigarette butts

D’Urso,

Iaccarino,

Giordano

et al. 2024

Cellulose

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In this work, we describe the recovery of cellulose acetate (r-CA) polymer from waste cigarette butts (CBs) and their subsequent conversion into feedstock for 3D printing technology. The extraction process for CBs includes two stages: initial washes in water, followed by additional washes in ethanol. A final step involves a dissolution and reprecipitation process, resulting in the creation of a fine powder. The recovery polymer has been analysed and compared to commercial cellulose acetate (p-CA) and unsmoked cigarette filter (u-CA) to assess its purity and examine alterations in its physicochemical properties. The CA powder has also been plasticized with different biocompatible plasticizers to improve the mechanical properties of the CA. We analyze the rheological properties to identify the suitable composition as feedstock for 3D printing.

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Indirect effects of cigarette butt waste on the dengue vector Aedes aegypti (Diptera: Culicidae)

Cited by 47 publications

References 44 publications

Physical characteristics and reproductive performance in Aedes (Diptera: Culicidae)

Physical characteristics and reproductive performance in Aedes (Diptera: Culicidae)

Coffee and its waste repel gravid Aedes albopictus females and inhibit the development of their embryos

A preliminary study on 3D printing feedstock derived from cellulose recovered from cigarette butts

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