• Publications
  • Influence
The Causes and Consequences of Ant Invasions
Invasions by non-native ants are an ecologically destructive phenomenon affecting both continental and island ecosystems throughout the world. Invasive ants often become highly abundant in theirExpand
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Environmental and Economic Costs of Nonindigenous Species in the United States
[Extract] Aproximately 50,000 nonindigenous (non-native) species are estimated to have been introduced to the United States. Some of these are beneficial; for example, species introduced as foodExpand
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Invading non-indigenous species in the United States cause major environmental damages and losses adding up to more than $138 billion per year. There are approximately 50,000 foreign species and theExpand
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Managing the whole landscape: historical, hybrid, and novel ecosystems
The reality confronting ecosystem managers today is one of heterogeneous, rapidly transforming landscapes, particularly in the areas more affected by urban and agricultural development. A landscapeExpand
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Invasive Ants: Unwanted Partners in Ant-Plant Interactions?
As invasive ants spread, their interactions with plants are inevitable and have potentially great implications for agriculture and conservation. When considered in the context of pre-existing modelsExpand
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A mutualism with a native membracid facilitates pollinator displacement by Argentine ants.
  • L. Lach
  • Biology, Medicine
  • Ecology
  • 1 August 2007
The loss of biodiversity and associated ecosystem services are major threats posed by the spread of alien invasive species. Invasive ants are frequently associated with declines in the diversity ofExpand
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Floral visitation patterns of two invasive ant species and their effects on other hymenopteran visitors
Abstract 1. Floral nectar of the native Hawaiian ‘ōhi’a tree, Metrosideros polymorpha, is an important food source for several native honeycreepers and yellow‐faced bees, Hylaeus spp., but is alsoExpand
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Interference and exploitation competition of three nectar-thieving invasive ant species
  • L. Lach
  • Biology
  • Insectes Sociaux
  • 1 August 2005
Summary.Plant and insect exudates are known to play a key role in structuring tropical ant communities, but less is known about the utilization of these resources in communities dominated by invasiveExpand
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Food Preference and Reproductive Plasticity in an Invasive Freshwater Snail
The freshwater apple snail Pomacea canaliculata has become a major crop pest in southeast Asia and Hawai'i and threatens natural wetland habitats in these regions and elsewhere. DeliberatelyExpand
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