Singing Insect Range Boundaries Carl A. Strang, Volunteer, Forest Preserve District of DuPage County Survey work over the past decade has begun to define the range boundaries of singing insect species in the Chicago region, down to the site. Most are north range boundaries, but there also are east edges, west edges, and strange distributional holes, some of which are difficult to explain. There also are a few species whose range boundaries are dynamic, extending year by year.
Diversity and Ecology of Pollinator Flies in Chicago Area Alan J. Molumby, James Woodworth Prairie A brief introduction to the diversity and ecology of pollinator flies, and discussion of some of their ecological relationships.
