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Biology and Management of Graceful Sandmat (Chamaesyce hypericifolia) in Ornamental Crop Production

Figure 3. Graceful sandmat inflorescence. Credit: Theresa Chormanski

Graceful sandmat (Chamaesyce hypericifolia) is a problematic weed that often grows in container media in ornamental plant nurseries.  This 4-page facts sheet profiles the biology of graceful sandmat and recommends physical, cultural, and chemicals methods… Read More

Postbloom Fruit Drop (PFD) Identification and Management

PFD brochure

This two-sided ID card is idea for growers working in the field trying to identify or manage postbloom fruit drop (PFD) in citrus.  The ID card includes photos of blooms affected by PFD and photos of… Read More

Spondias Growing in the Florida Home Landscape

Spondias mombin (fruit and leaves). Location: Maui, Enchanting Gardens of Kula

Spondias species (whose common names among English speakers include ambarella, Ataheite apple, mombins, and hog plums) are flowering trees native to tropical and subtropical regions. They are known for their sweet fruit and grow well… Read More

Tea Shot-Hole Borer Euwallacea fornicates (Eichhoff, 1868) (Insecta: Coleoptera: Curculionidae: Scolytinae)

Figure 1. Adult Euwallacea fornicatus (Eichhoff). A-B female, C-D male.

The tea shot-hole borer is an Asian ambrosia beetle introduced to Florida in the early 2000s. In Florida it does not have any known economic impact, but it is a serious pest of tea around… Read More

A Sand Fly Lutzomyia longipalpis (Lutz and Neiva) (Insecta: Diptera: Psychodidae: Phlebotominae)

Figure 1. Adult (A) female and (B) male Lutzomyia longipalpis (Lutz and Neiva), a sand fly. Credit: Cristina Ferro, Instituto Nacional de Salud, Colombia

The true sand flies are densely covered with setae, have long slender legs, and broad and pointed wings that are held erect at rest. Several phlebotomine species are vectors of the protozoan parasites in the… Read More

Vespiform Thrips Franklinothrips vespiformis Crawford (Insecta: Thysanoptera: Aeolothripidae)

Figure 1. Female vespiform thrips showing constricted waist and white band. Credit: Runqian Mao, University of Florida

Franklinothrips vespiformis Crawford is a predatory thrips with a pantropical distribution. The distinctive red, humped-back larvae and fast-moving ant-like adults are predaceous on small arthropods. In addition to being easily mistaken for an ant, this… Read More

Black Scale Saissetia oleae (Olivier, 1791) (Insecta: Hemiptera: Coccoidea: Coccidae)

Figure 1. Adult female black scales, Saissetia oleae (Olivier) on cultivated olive (Olea europaea L.). Credit: Lyle Buss, University of Florida

The black scale is an important pest of citrus and olive trees. Originally from South Africa, this scale is now distributed worldwide. In Florida, black scale is found on citrus, cultivated olive, avocado, and many… Read More