Collier County Tree Fruit Class on July 16

Alternatives to Citrus:        

Mango and Subtropical Fruit Trees for Your Yard
Saturday July 16 From 9:00 am to 12:30-ish

        Where: Collier County UF|IFAS Extension

14700 Immokalee Rd.

Naples, Fl  34120
( 11 miles east of 1-75; adjacent to Fairgrounds on 38th Ave. NE)
Cost is $10.00

Register at:
No charge for UF | IFAS Master Gardeners

Call 252-4800 if questions.
David Burd discusses exciting mangoes with an enthusiastic participant. Learn about growing: Mango, Grumichama, Jaboticoba, Avocado, Mamey, Lychee, Longan and more! Speakers will cover pests, cultural practices and tricks of the trade to successfully grow different types of fruit you may have never even heard about! Then you’ll need your drool cup and bib to taste samples of newer varieties of mangoes and fruit you’ve probably never seen before!
Hopkins Nursery Fruit & Tree Sale after Burds’ presentation.

9:00 to 10:30  Brian Galligan Subtropical Fruit Trees for Your Yard. Naples Botanical Garden, Director of Horticulure and south Florida fruit guru.

10:45 to 11:45  David and Jenny Burd   How to Make Mango Trees Produce and tasting.  Friendly Burds Tree Service
    Hopkins Fruit Tree Sale following presentations

12:00 to 12:30-ish  Hopkins Nursery-  Fruit trees sale  (AFTER    Burds are done). Hopkins Tropical  Fruit Nursery

Sponsored by UF|IFAS Collier Extension County, Horticulture Educator, Doug Caldwell

Mamey sapote                            Lychee

Doug Caldwell, Ph.D.
Doug is the Commercial Landscape Horticulture Extension Educator and landscape entomologist with the University of Florida Collier County Extension.Extension Service is an off-campus branch of the University of Florida, Institute of the Food and Agricultural Sciences [IFAS] and a Division of the Public Services Department of Collier County government.

Whiteflies: Q-biotype

Are you familiar with the latest Bemisia tabaci, Q-biotype concerns for Florida?

Read the UF/IFAS Pest Announcement from May 26, 2016.

Although Bemisia tabaci, B-biotype commonly occurs in Florida, the detection of the Q-biotype within our landscape is new. For the latest information regarding the Q-biotype, please visit the Bemisia website maintained by Dr. Lance Osborne, Professor at the University of Florida, Mid-Florida Research and Extension Center in Apopka, Florida.

The Florida Department of Agriculture and Consumer Services, Division of Plant Industry (FDACS-DPI) has an updated Pest Alert available.

Specifically, FDACS-DPI also has an available helpline number for additional questions.

Division of Plant Industry Helpline

1-888-397-1517 | (352) 395-4600 (Outside North America)


New Featured Creatures Articles

Check out the latest Featured Creatured articles! The topics from May include the olive psyllid, a parasitoid, and the black and yellow mud dauber.

Click on the link to go to the Featured Creatures website:


Adult Mexican Fruit Fly. Credit: Jeffrey W. Lotz, Florida Department of Agriculture and Consumer Services,

Contact: John Stewart, National Fruit Fly Policy Manager, at 919-855-7426
From the North American Plant Protection Organization’s Phytosanitary Alert System:

Effective April 22, the Animal and Plant Health Inspection Service (APHIS) established a Mexican Fruit Fly (Anastrepha ludens or Mexfly) quarantine area in the Rio Hondo area of Cameron and Willacy Counties, Texas. APHIS is applying safeguarding measures and restrictions on the interstate movement or entry into foreign trade of regulated articles from this area.

Click here to go to the official pest report page



Click on the image to go to the Featured Creatures article

Adult: The adult Mexican fruit fly is 7–11 mm long, or slightly larger than a house fly (6–7 mm), and is mostly yellowish-brown in color.

Bugs & Shrubs Buzz

Ficus blister galls are causing defoliation and branch die-back of many of our heritage, old-time Cuban laurel ficus trees (Ficus microcarpa). This is a difficult pest to manage, but there is some success with trunk injections of emamectin benzoate and to a lesser degree imidacloprid. Stay tuned for new information on how to better manage these blister galls caused by a tiny wasp, Josephiella microcarpae. Please share with me if you have found a treatment that gives excellent control!

See our video on this at:

Laurel Wilt (Avocado) Disease is in Collier County: In mid-April, Scott Krueger, Ag. Inspector with the Division Plant Inspection (FDACS), reported an avocado tree that had died from this new disease. I have had about 3 calls in the last few weeks about dying redbays. This is most likely due to laurel wilt disease which has been killing trees in the southeastern US since 2002. Key symptoms are dead leaves which do not drop off and frass extrusions which resemble cigarette ash extruding from the trunk.
The redbay ambrosia beetle is attracted to volatiles naturally emitted by healthy living trees as well as injured avocado (Persea americana) and redbay (Persea borbonia) trees. Please see the fact sheet “Laurel Wilt: A Threat to Redbay, Avocado, and RelatedTrees in Urban and Rural Landscapes”.  Ambrosia beetles (there are about 5 native ambrosia beetles which can also spread this disease as well) bore into the sap wood and infect trees with the fungus which clogs the vascular pipelines and causes death.
SANITATION (tree removal and disposal) is highly important to suppress the spread of this disease.
The photos below are from a publication by Dr. Jonathan Crane. See it and more at the Laurel wilt action home page UF|IFAS at:
                          3 Upcoming Classes:
1. Fertilizer BMP Certification. June 8 at Rookery Bay.
Register here:


2. Become a Certified Arborist:
Exam Prep Class June 24 and Exam June 25.
Register (you may need to copy and paste in browser) at:
3. In Spanish at Rookery Bay June 21: Pesticide training. The “Roundup” Category– Limited Commercial Landscape Maintenance -the required 6 hour class plus the exam.
Register here:


Doug Caldwell, Ph.D.
Doug is the Commercial Landscape Horticulture Extension Educator and landscape entomologist with the University of Florida.
The Extension Service is an off-campus branch of the University of Florida, Institute of the Food and Agricultural Sciences [IFAS] and a department of the Public Services Division of Collier County government.