Climate change is altering the distribution and abundance of many species, including insect pests. Understanding how insect pests respond to climate change is critical for developing effective pest management strategies. Museum specimens provide a long-term record of insect occurrence and abundance, which can be used to track changes over time and identify trends. Modern cities, with their distinct microclimates, can also be used to study how insect pests respond to different environmental conditions.

A recent study used museum specimens and modern cities to examine how the distribution and abundance of the Mexican fruit fly (Anastrepha ludens) will respond to climate change. The study found that the Mexican fruit fly is likely to expand its range northward and become more abundant in areas with warmer climates. These findings have important implications for pest management, as the Mexican fruit fly is a major pest of fruits and vegetables.

The study also highlights the importance of using multiple lines of evidence to understand how insect pests respond to climate change. Museum specimens provide a long-term record of occurrence and abundance, while modern cities can be used to study how insect pests respond to different environmental conditions. By combining these approaches, scientists can get a more complete picture of how insect pests are likely to respond to climate change.

Here are some specific examples of how museum specimens and modern cities have been used to study how insect pests respond to climate change:

* Museum specimens have been used to track changes in the distribution and abundance of insect pests over time. For example, one study used museum specimens to show that the range of the mountain pine beetle has expanded northward in recent decades, likely due to climate change.

* Modern cities have been used to study how insect pests respond to different environmental conditions. For example, one study used traps to collect insects in different parts of a city and found that the abundance of some insect pests was higher in areas with warmer temperatures and more vegetation.

* By combining museum specimens and modern cities, scientists can get a more complete picture of how insect pests are likely to respond to climate change. For example, one study used museum specimens to identify areas where a particular insect pest is likely to expand its range under future climate conditions and then used modern cities to study how the insect pest responds to different environmental conditions in these areas.

The findings from these studies have important implications for pest management. By understanding how insect pests respond to climate change, we can develop more effective strategies to manage these pests and protect our crops and our health.