Interaction BetweenLinepithema micans(Hymenoptera: Formicidae) andEurhizococcus brasiliensis(Hemiptera: Margarodidae) in Vineyards

Linepithema micans (Forel) (Hymenoptera: Formicidae) is the main ant species responsible for the spreading of Eurhizococcus brasiliensis (Wille) (Hemiptera: Margarodidae), a soil scale that damages grapevine plants in southern Brazil. The effect of contact and ingestion of insecticides on the control of L. micans was evaluated in a greenhouse using grapevines (Vitis spp.) infested by L. micans. The insecticides thiamethoxam (250, 187.5, and 125 g/ha), fipronil (4, 5, and 50 ml/ha), and imidacloprid (650 g/ha) were sprayed on the ground, whereas toxic baits containing boric acid (0.5, 1.0, and 1.2%), pyriproxyfen (0.3 and 0.5%), and hydramethylnon (0.5%) were evaluated in different formulations. Hydramethylnon (toxic bait) and thiamethoxam (chemical barrier) were the most efficient active ingredients for the control of L. micans.

show abstract

“…The colonies were collected according to methods described by Nondillo et al (2012Nondillo et al ( , 2013.…”

Section: Methodsmentioning

confidence: 99%

Evaluation of Insecticides for the Control of Linepithema micans (Hymenoptera: Formicidae)

et al. 2014

Self Cite

View full text Add to dashboard Cite

show abstract

“…Ants Linepithema micans (Forel, 1908) were found associated to mealybugs, species previously reported in association with cochineal Eurhizococcus brasiliensis (Wille, 1922) in Brazil (Nondillo et al, 2013). Within the genus Linepithema Mayr, the species L. humile (Mayr, 1868) is best known associated to scale insects feeding on honeydew (Daane et al, 2007).…”

Section: Discussionmentioning

confidence: 96%

A survey of mealybugs infesting South-Brazilian wine vineyards

Filho

Silva

Willink

et al. 2015

Revista Brasileira de Entomologia

Self Cite

View full text Add to dashboard Cite

a b s t r a c tMealybugs (Hemiptera: Pseudococcidae) are important pests of the grapevine Vitis spp. and are responsible for direct and indirect damage to production. The main mealybug species present in wine grapevine (Vitis vinifera L.) in Southern Brazil were identified and their incidence evaluated. Bunch-samples (n = 50) from 131 vineyards located in the Serra Gaúcha Region (RS) of Brazil were analyzed at harvest, and the occurrence of mealybugs in the roots was evaluated at the time of eradication of plants for replanting. Mealybugs were reared in laboratory until adulthood for species determination. The species Dysmicoccus brevipes (Cockerell, 1983), Dysmicoccus sp., Planococcus citri (Risso, 1813), Pl. minor (Maskell, 1897), Pseudococcus viburni (Signoret, 1875) and Pseudococcus sp. were identified in bunches. Dysmicoccus sp., D. umbambae Granara de Willink, 2009, Pl. citri and Pseudococcus sp. were found in the roots. Pl. citri (31.4%) and Dysmicoccus sp. (22.7%) were the most common species found in wine grape bunches in the Serra Gaúcha Region.

show abstract

“…Linepithema micans (Forel, 1908) is common in south Brazilian vineyards, strongly associated with sap-sucking insects (Morandi Filho et al, 2015). This species certainly suffers from a misdiagnosed past, and Nondillo et al (2013) suggest that many previous records of L. humile in infested vineyards should be L. micans instead. More is known about Linepithema iniquum (Mayr, 1870), mainly because it also appears as an exotic indoor species in North America and Europe.…”

Section: Linepithema (Dolichoderinae)mentioning

confidence: 99%

Natural History of Ants: What We (do not) Know About Trophic and Temporal Niches of Neotropical Species

Rosumek

2017

Sociobiology

View full text Add to dashboard Cite

Our understanding of the natural history of Neotropical ants is still limited, both due to a lack of detailed descriptive efforts and the widespread use of morphospecies in community studies. Use of trophic resources and period of activity are two central niche aspects little explored for most species. This work aims to review the literature and provide empirical field data on these aspects for several species. The fieldwork was carried out in the Atlantic forest of southern Brazil. Trophic and temporal niches were assessed with pitfall traps and seven kinds of bait representing natural resources available to ants. Crushed insects were the preferred resource, whereas bird feces and living prey were less exploited overall. Most of the species occupied a broad trophic niche, using several resources, but with pronounced quantitative differences. Odontomachus chelifer (Latreille, 1802) and Pachycondyla striata Smith, 1858 were the only species that consistently used large prey, and avoided trisaccharides. Wasmannia auropunctata (Roger, 1863) differed remarkably from previous accounts, using feces as its sole trophic resource. Pheidole species had no previous records and use resources in different ways. Most species had no strong preference for period of activity. Camponotus zenon Forel, 1912 was nocturnal and Crematogaster nigropilosa Mayr, 1870, Linepithema iniquum (Mayr, 1870) and Linepithema pulex Wild, 2007 were diurnal. Complementary methods, context-dependence and descriptive studies have a central role in the understanding of ant natural history. Community assessments can contribute significantly to this knowledge if researchers also pay attention to the individual species involved.

show abstract

Interaction BetweenLinepithema micans(Hymenoptera: Formicidae) andEurhizococcus brasiliensis(Hemiptera: Margarodidae) in Vineyards

Cited by 13 publications

References 32 publications

Evaluation of Insecticides for the Control of <I>Linepithema micans</I> (Hymenoptera: Formicidae)

Evaluation of Insecticides for the Control of <I>Linepithema micans</I> (Hymenoptera: Formicidae)

A survey of mealybugs infesting South-Brazilian wine vineyards

Natural History of Ants: What We (do not) Know About Trophic and Temporal Niches of Neotropical Species

Contact Info

Product

Resources

About