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Description, biology and distribution, and ecological significance and management of the Asian citrus psyllid.
Description, biology and distribution, and ecological significance and management of small carpenter ants.
Description, biology and distribution, and ecological significance and management of the harlequin bug.
Description, biology and distribution, ecological significance and management of the North American woodwasp.
Description, biology and distribution, ecological significance and management of the scuttle fly.
Description, biology and distribution, ecological significance and management of the common house fly.
Description, biology and distribution, ecological significance and management of kudzu bugs.
Description, biology and distribution, ecological significance and management of bed bugs.
Description, biology and distribution, ecological significance and management of the southern lyctus beetle.
Description, biology and distribution, ecological significance and management of the coarse-backed red paper wasp.
Description, biology and distribution, ecological significance and management of the Yellow Fever Mosquito.
Description, biology and distribution, ecological significance and management of the Colorado Potato Beetle.
Bird’s nest fungi are fascinating mushrooms that obtain their nutrients from decomposing organic matter. They do not harm plants and animals.
Slime molds are very common during extended periods of overcast skies and warm and wet weather.
Sooty molds are non-plant-pathogenic fungi that grow superficially as a thin black layer on leaves, fruit, twigs and stems of various crop plants or trees.
How to care for ornamental palms that have suffered freeze-damage injuries.
Description, life cycle, ecological significance, pest management and control of the Spodoptera frugiperda, Fall armyworm.
Description, life cycle, ecological significance and pest management of the Plutella xylostella, Diamondback moth.
Description, life cycle, ecological significance and pest significance of the Diaphania nitidalis and Citrus leafminer, Phyllocnistis citrella.
Description, life cycle, parasites, ecological and pest significance, and control of the Diaphania nitidalis and Xylocopa virginica, Eastern Carpenter Bee.
Description, life cycle, migration and conservation of the Diaphania nitidalis and Danaus plexippus, Monarch Butterfly.
Description, life cycle, ecological significance and pest status of the Diaphania nitidalis and Diaphania hyalinata, Pickleworm and Melonworm Moths.
Description, life cycle, economic importance and parasites of the Common Eastern Bumblebee.
Description, life cycle, ecological significance, pest status and prevention of Diabrotica undecimpunctata, Spotted Cucumber Beetle.
Description, life cycle, ecology and forensic entomology of the Necrophila americana, American Carrion Beetle.
Description, life cycle, ecological significance, pest status and prevention of Phorodon cannabis, the Cannabis (Bhang) Aphids.
2020 National Survey
Lichens are fascinating organisms. They are composed of two different organisms – a fungal partner and a photosynthetic partner in a symbiotic relationship.
Boxwood crown and root rot is caused by Phytophthora spp., a funguslike microorganism commonly known as water mold.
An explanation with diagrams on how to collect a nematode sample.
Adults of these two species are medium-sized tan spiders.
Adult crane flies within the genus Tipula are large tan or brown, long-legged, spindly bodied flies varying in body length from 0.39-0.98 inches (10-25 mm).
Adults of this species are small, robust flies 0.07-0.11 inches (2-3 mm) in length.
Adult Southern house spiders are relatively large, plain brown to grayish-brown spiders.
The German cockroach (Blattella germanica) is a common urban pest that is famous for infestations and causing unsanitary living conditions.
The adults of this species are circular or slightly oblong lady beetles and are 0.19 to 0.3 inches (5 to 8 mm) in length.
Larvae of the buck moth caterpillar (Hemileuca maia) are large dark caterpillars between 2 and 2.4 inches in length (5.25–6.0 cm).
The forest tent caterpillar (Malacosoma disstria) belongs to the family Lasiocampidae.
The eastern tent caterpillar, Malacosoma americanum, belongs to the family Lasiocampidae.
Anthrenus is a genus of beetles within the family Dermestidae. Members of the genus are common, with 18 species documented within North America.
The puss moth caterpillar (Megalopyge opercluaris) is known throughout the new world for their urticating hairs and their painful sting.
The saddleback caterpillar (Acharia stimulea) is a sluglike caterpillar that has a bright brown spot in the middle of a green saddle-shaped area on its back.
The large carpenter bee belongs to the family Apidae (Xylocopa spp.). While a potentially destructive species, these bees are also effective pollinators.
Encouraging and maintaining healthy native bee populations in your yard requires the presence of nesting habitat in addition to forage.
A number of common vegetable and fruit plants can serve a dual function of providing food and habitat specifically for native pollinators.
Native pollinators have evolved close associations with the plants specific to their native regions.
This publication is intended to introduce home vegetable gardeners to the various methods used to manage the many diseases that affect these crops. (PDF Format Only)
Lethal yellowing, a deadly disease affecting palms, has recently been identified in silver date palms and Chinese windmill palms in Baton Rouge.
Bitter rot of apple is a fungal disease commonly caused by two species known as Colletotrichum gloeosporioides and C. acutatum.
Mirlitons are susceptible to a common fungal disease called powdery mildew. Mirliton powdery mildew is caused by Podosphaera xanthii.
Louisiana's warm, humid weather encourages the development of several serious diseases that can damage rose bushes. This publication describes the major rose diseases found in Louisiana and offers disease management tips. (PDF Format Only)
Oleander leaf scorch (OLS) is a deadly disease of oleander that was first reported in California in the early 1990s.
In Louisiana, Canary Island date palm (Phoenix canariensis Hort. Ex Chabaud) is a signature palm planted in New Orleans and nearby cities.
Rose rosette disease is caused by a virus known as Rose rosette virus. It is a devastating disease of roses – particularly since all cultivars are susceptible.
Downy mildew of sweet basil is a destructive disease that was first detected in the United States in 2007.
Citrus greening, also known as yellow shoot disease or huanglongbing, is one of the most devastating diseases of citrus worldwide.
Bacterial gall on Loropetalum (Loropetalum chinense) is caused by a plant pathogenic bacterium called Pseudomonas savastanoi.
Sweet olive is susceptible to a bacterial disease called leaf scorch, which is caused by Xylella fastidiosa.
Boxwood blight, also known as box blight, is a fungal disease caused by Calonectria pseudonaviculata (Cylindrocladium pseudonaviculata, C. buxicola).
Like Spanish moss, ball moss is an epiphyte and belongs to family Bromeliaceae.
Citrus canker is a bacterial disease caused by Xanthomonas citri subsp. citri. It is thought to have originated in Southeast Asia.
Large patch is the most common disease of warm-season turfgrasses in Louisiana. This disease is caused by the soilborne fungus Rhizoctonia solani.
Rosette disease is a destructive fungal disease of blackberries in Louisiana.
Bacterial gall on Loropetalum (Loropetalum chinense) is caused by a plant pathogenic bacterium called Pseudomonas savastanoi. The bacterium is also known to cause galls/knots on olives and oleanders. Other important known hosts include ash, privet and forsythia.
Blackberries are a favorite springtime fruit in Louisiana. The blackberry (raspberry) crown borer is a serious pest of blackberry plantings and causes loss of plant vigor, loss of yield and plant destruction. Damage, life cycle, monitoring and control recommendations included. (PDF Format Only)
Ants range from mildly irritating to highly annoying. Knowing the species, its biology and potential control methods can help you manage them. This is a useful reference for pest management professionals, extension personnel and homeowners. A key to ants, color photographs, diagrams and a glossary are included. Spiral-bound copies are available for $12.50 each. To purchase using a major credit card, click on "order publication."
Louisiana's warm, humid weather encourages the development of several serious diseases that can damage rose bushes. This publication describes the major rose diseases found in Louisiana and offers disease management tips. (PDF Format Only)
The Argentine ant, an exotic species brought to New Orleans from South America in the late 1800s, is found throughout the state after being transported in nursery stock and by cars, boats and RVs. Their huge colonies, with millions of workers and hundreds of queens, extend for miles. Identifying characteristics, areawide management and cultural controls incuded. (PDF Format Only)
A Southern IPM Center publication. When choosing a broadcast bait to control imported fire ants, consumers and professional pesticide applicators face a confusing array of brand names and active ingredients with varying product performances. This guide addresses common concerns about broadcast baits to help consumers and professionals choose products that best fit their needs and situations. (PDF Format Only)
In Louisiana, Canary Island date palm (Phoenix canariensis Hort. Ex Chabaud) is a signature palm planted in New Orleans and nearby cities. In 2009, a lethal disease called Fusarium wilt was detected on Canary Island date palms in Louisiana. The disease, which is caused by a soil-borne fungus called Fusarium oxysporum f. sp. canariensis, previously had been known to occur in California, Florida and Nevada.
Rose rosette disease is caused by a virus known as Rose rosette virus. It is a devastating disease of roses – particularly since all cultivars are susceptible, including Knock Out roses and wild multiflora roses (Rosa multiflora).
Proper identification is the key to successful disease management. This fact sheet is intended to aid in distinguishing among three common foliar diseases of watermelon. (PDF Format Only)
This fact sheet is intended to aid in the identification and management of phytophthora blight on peppers
Downy mildew of sweet basil is a destructive disease that was first detected in the United States in 2007. Since that first discovery in south Florida, it has rapidly spread to other parts of the United States and was detected in a Louisiana home garden in spring 2010. (PDF Format Only)
In the United States, citrus greening was positively identified first in south Florida in 2005. It appeared for the first time in Louisiana during 2008 in the Algiers neighborhood of New Orleans. Since that time, however, no new Louisiana cases were reported until recently. During March 2014, the disease was again confirmed from several citrus varieties at multiple properties in the Gentilly area of New Orleans. (PDF Format Only)
Pecan spittlebugs are found throughout the pecan-producing regions of Louisiana and can be a serious pest. The severity of infestations varies from year to year and from orchard to orchard. Life cycle, type of injury and control information are included. (PDF Format Only)
Downy mildew is a potentially devastating disease of all cucurbits. Disease symptoms, development, control measures and color photographs of symptoms on pumpkin, cucumber and watermelon are included. (PDF format only)
Two species of yellow aphids are found on pecans in Louisiana and in all pecan-producing states. Descripton, life cycle, damage and control information is included. (PDF Format Only)
Pecan phylloxera are found throughout the native pecan-producing regions of the United States. Beginning in mid-April, galls (knots) begin to appear on the leaf veins, leaf rachises, catkins, current season's shoot growth and nuts of the pecan. Damage, description, life cycle and control information is included. (PDF Format Only)
