Betzi Perez

Betzi Perez
McGill University | McGill · Department of Biology

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5
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Introduction

Publications

Publications (5)
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The cetacean species richness of Costa Rica and Panama represents about 36% of the species described worldwide. Within the economical coastal waters of these countries bottlenose dolphins, the pantropical spotted dolphins, the Guiana dolphin, and humpback whales are the most commonly observed. Their high sight fidelity and predictability has result...
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From 2003 to 2009, we surveyed Las Perlas Archipelago off the Pacific coast of Panama 53 times between the months of August and October to estimate abundance of humpback whales and to test for a migratory connection with populations from the southern hemisphere. We identified 295 individuals using photo-identification of dorsal fins, including 58 c...
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The evolution of eusociality is hypothesized to have involved de-coupling parental care from reproduction mediated by changes in endocrine regulation. While data for obligately eusocial insects are consistent with this hypothesis, we lack information from species representative of the transition from solitary reproduction to eusociality. Here we re...
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A number of wasps in the family Diapriidae, subfamily Diapriinae (Proctotrupoidea), are parasitoids that specialize on ant larvae. These wasps are abundant and diverse in the Neotropics, but little is known about their biology. We studied parasitism rates by an array of diapriine wasps that attack the larvae of fungus-growing ants, Trachymyrmex cf....

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