


A Better Picture of Head-Lice Transmission, Aided by Math and a Fine-Toothed Comb
Researchers in Argentina compared mathematical models of head lice transmission with analysis of infestations in school children and found that head lice infestations across a classroom likely require at least one severely infested child serving as a "superspreader."

Landscape Terrain Provides New Angle for Measuring Tick Abundance
A study of lone star ticks in the forested Missouri Ozarks found that nymphs and adults were more abundant in valleys and on north-facing hills than in other areas. Meanwhile, nymphs appeared less often in the areas of greater temperature variability, while adults were less prevalent with increased elevation.

Reporting Tick Bites to Public Health Agencies Helps ID Risk Areas for Lyme Disease
A study in Quebec highlights the value of reporting tick bites and submitting tick specimens to public health agencies. Such "passive surveillance" outpaces field collection of ticks in identifying areas of emerging risk for Lyme disease.

Curious Wasp Specimen Leads Entomologist to Find a First
When Michael Skvarla, Ph.D., joined Penn State University's entomology extension program in 2017, it wasn't long before he had a mystery on his hands: A wasp specimen from an infestation of a residence that appeared to be of a genus not previously known to invade homes in North America.