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Black Turpentine Beetle, Dendroctonus terebrans (Olivier) (Insecta: Coleoptera: Curculionidae: Scolytinae)

Figure 1. Dorsal view of an adult black turpentine beetle, Dendroctonus terebrans (Olivier). Its large size, trapezoidal pronotum, and rounded declivity distinguish it from all other bark beetles infesting pines in the southern United States. Credit: Adam Black and Jiri Hulcr, University of Florida

Black turpentine beetles bore into the inner bark of stressed or injured pines, where they breed and feed on phloem tissue. Adults are strongly attracted to volatile pine odors and readily breed in fresh stumps…. Read More

An ambrosia beetle Xyleborus affinis Eichhoff, 1868 (Insecta: Coleoptera: Curculionidae: Scolytinae)

Figure 1. Adult female Xyleborus affinis. Credit: Jiri Hulcr, UF/IFAS

Xyleborus affinis is one of the most widespread and common ambrosia beetles in the world. It is also very common in Florida. Like other ambrosia beetles, it bores tunnels into the xylem of weakened, cut… Read More

Asian Horntail Eriotremex formosanus (Matsumura) (Insecta: Hymenoptera: Symphyta: Siricidae: Tremicinae)

Figure 3. Eriotremex formosanus (Matsumura). A- antenna. B- metatibial spur. Abdomen (C) and mesonotum (D) with long golden setae (hair-like projections). Credit: You Li, University of Florida

Since it was introduced to North America, the Asian woodwasp has become the most common wood wasp in Florida. It is not considered an economically important pest because it only attacks dying or dead trees,… Read More

Dagger Nematode Xiphinema spp. (Cobb, 1913) Inglis, 1983 (Nematoda: Enoplea: Dorylaimia: Dorylaimina: Xiphinematinae)

Figure 9. Schematic diagram showing detailed morphological features of a dagger nematode, Xiphinema spp.

Dagger nematodes parasitize plants. They cause economic damage and death of host crops through feeding on the roots and by spreading viral mosaic and wilting diseases, but field studies have shown that some control measures… Read More

Skyflower: Hydrolea corymbosa

Skyflower

Skyflower is a native wetland plant that produces brilliant blue flowers and can be found throughout Florida.  This 4-page facts sheet details skyflower biology, distribution and habitat, propagation, and uses. Written by Lyn A. Gettys and… Read More

Positive Discipline: Behavioral Management Skills for Parents and Teachers, Part 3: Fostering the Parent–Child and Teacher–Student Relationship to Build Responsibility

Figure 1. Parents and teachers need to be clear about their expectations for children and students. Credit: Thinkstock.com/iStock/natasaadzic

Tell me and I forget, Teach me and I may remember, Involve me and I learn. The general goal of healthy parenting and teaching is to produce children and students who can think critically, make… Read More

Positive Discipline: Behavioral Management Skills for Parents and Teachers, Part 2: General Approaches to Managing Behavior

Figure 3. If a behavior is consequential, the parent or teacher will need to intervene.

When a child is locked in the bathroom With water running And he says he is doing nothing But the dog is barking, Call 911. –Erma Bombeck Research indicates that there must be at least… Read More

Positive Discipline: Behavioral Management Skills for Parents and Teachers, Part 1: Types of Misbehaviors and Keys to Success

Figure 3. Successful parents and teachers are encouraging and engaged in children’s educational and extracurricular activities

Before I got married I had six theories about bringing up children; now I have six children, and no theories. (John Wilmot) Parents and teachers often experience a lot of insecurities, especially with regard to… Read More