Santiago-Blay – LEB4(1):1-2 Editorial – Editorial: The First Three Years (2013-2015) of Life: The Excitement of Biology

Rios et al. – LEB4(1) :3-10 Natural History Notes on the Reproductive Biology of the Melodious Coqui, Eleutherodactylus wightmanae (Schmidt, 1920), the Whistling Coqui, E. cochranae (Grant, 1932), and the Mountain Coqui, E. portoricensis (Schmidt, 1927) (Anura: Eleutherodactylidae), from Puerto Rico

Sarria-Panasá et al. LEB 4(1):11-26 Levels of Trace Metals in the Clam, Polymesoda solida (Philippi, 1846) (Bivalvia: Cyrenidae), from the Strait of Lake Maracaibo and Bahía El Tablazo, Venezuela 

Lechner – LEB 4(1):27-31 – Interesting Incidents with Sphex pensylvanicus Linnaeus, 1763 (Hymenoptera: Sphecidae) Wasps and Their Prey Items in Sioux City, Iowa, USA

Mercado et al. LEB 4(1):32-71 Review of the West Indian Arachnocoris Scott, 1881 (Hemiptera: Nabidae), with Descriptions of Two New Species, and a Catalog of the Species

Baird – LEB4(1):72- 79- Turning Science into Song How It All Began

Santiago-Blay – LEB 4(1):80-85 Book Review: Silent Sparks: The Wondrous World of Fireflies by Sara Lewis