Orchid Pollination Biology

Flower of Drakaea livida, an orchid visually resembling a wasp in flight.

Orchids and their pollinators have developed fascinating co-adaptations that promote orchid pollination. This 6-page fact sheet details the various and often strange ways that orchids attract pollinators. The kinds of insects and animals that pollinate orchids and orchids’ reproductive anatomies and processes are also covered. Written by Haleigh Ray and Wagner Vendrame, and published by the UF Department of Environmental Horticulture, June 2015.

Management of Orchid Pests with Silwet® L-77 and Horticultural Oils (PP287)

Figure 1. Some of the orchids used in the phytotoxicity study: A) Dendrobium, B) Phalaenopsis, C) Paphiopedilum, and D) Cattleya. No evidence of phytotoxicity was observed on the foliage, roots, flowers, or buds of any of the plants.IFAS researchers evaluated the ability of the surfactant Silwet® L-77 to improve the efficacy of horticultural oils in controlling boisduval scale and mite infestations in orchids. This 3-page fact sheet reports the results and provides homeowners with directions for its use. Written by R. A. Cating, M. A. Hoy, and A. J. Palmateer, and published by the UF Department of Plant Pathology, November 2011.

EENY467/IN838 Boisduval Scale, Diaspis boisduvalii Signoret (Insecta: Hemiptera: Diaspididae)

EENY467, a 6-page illustrated fact sheet by Adriana Espinosa, Heidi Bowman, Amanda Hodges and Greg Hodges, is part of the Featured Creatures collection. It describes this economically important pest of orchids in Florida — distribution, description, life cycle, hosts, damage, and management. Includes references. Published by the UF Department of Entomology and Nematology, November 2009.