Mortality of the yellow mealworm Tenebrio molitor exposed to fertilizers and herbicides commonly used in agriculture

A. M. Castilla, T. Dauwe, I. Mora, M. Palmer, R. Guitart

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A preliminary screening test was performed to examine whether fertilizers or herbicides commonly used by farmers affect the development and mortality of the grain beetle Tenebrio molitor (mealworms). Mealworms (n = 300) were exposed for four weeks to four different treatments: organic liquid fertilizer (pig manure), organic solid fertilizer (turkey litter), mineral fertilizer (nitrates), and herbicides (a mixture of glyphosate and 2,4-D). After four weeks in direct contact with all treatments, mealworm mortality ranged from 74 % to 88 %. Surprisingly, control mealworms placed in the same room with the other treatments also experienced high mortality (72 %) while mortality of control-isolated mealworms was low (8 %), suggesting that volatile compounds from tested products can be noxious to larval insects. Because Tenebrio larvae and other insects are the main food source for many birds, lizards and other wildlife, organic fertilizers from farms should be adequately treated before being dispersed in the field. Also, mineral fertilizers and herbicides should be used with moderation and in the prescribed proportions.

Original languageEnglish
Pages (from-to)263-275
Number of pages13
JournalVie et Milieu
Volume58
Issue number3-4
Publication statusPublished - Dec 2008
Externally publishedYes

Fingerprint

Tenebrio molitor
herbicide
herbicides
fertilizer
fertilizers
agriculture
mortality
organic fertilizers
mineral fertilizers
Tenebrio
liquid fertilizers
insects
pig manure
direct contact
glyphosate
insect
volatile compounds
2,4-D
lizards
wildlife

Keywords

  • 2A-D
  • Farming Management
  • Food Availability
  • Glyphosate
  • Insect Conservation
  • Nitrates
  • Wildlife Conservation
  • Yellow Mealworm

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology

Cite this

Mortality of the yellow mealworm Tenebrio molitor exposed to fertilizers and herbicides commonly used in agriculture. / Castilla, A. M.; Dauwe, T.; Mora, I.; Palmer, M.; Guitart, R.

In: Vie et Milieu, Vol. 58, No. 3-4, 12.2008, p. 263-275.

Research output: Contribution to journalArticle

Castilla, A. M. ; Dauwe, T. ; Mora, I. ; Palmer, M. ; Guitart, R. / Mortality of the yellow mealworm Tenebrio molitor exposed to fertilizers and herbicides commonly used in agriculture. In: Vie et Milieu. 2008 ; Vol. 58, No. 3-4. pp. 263-275.
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