ERICKA E. HELMICK
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View article: Development of a Duplex dPCR Assay for Detecting Palm Lethal Yellowing Phytoplasmas in Africa and Madagascar and Separation of Regional Species by High-Resolution Melt Curve Analysis (HRMA) Based on the secA Gene
Development of a Duplex dPCR Assay for Detecting Palm Lethal Yellowing Phytoplasmas in Africa and Madagascar and Separation of Regional Species by High-Resolution Melt Curve Analysis (HRMA) Based on the secA Gene Open
Palm lethal yellowing phytoplasmas (PLYPs) are a group of phytoplasmas that cause death in infected hosts across the tropics. Historically, detection and identification has relied on standard PCR, nested PCR, and restriction fragment lengt…
View article: A new species of planthopper in the genus Bothriocera (Hemiptera: Auchenorrhyncha: Cixiidae) from Osa peninsula, Costa Rica on palms (Arecaceae).
A new species of planthopper in the genus Bothriocera (Hemiptera: Auchenorrhyncha: Cixiidae) from Osa peninsula, Costa Rica on palms (Arecaceae). Open
Recent survey efforts on palms (Arecaceae) in Costa Rica have resulted in the discovery of many new species of cixiid planthoppers. A recent expedition resulted in the discovery of a new species, Bothriocera aurea sp. nov., from palms on t…
View article: Population genetic structure of <i>Haplaxius crudus</i>, the vector of palm lethal decline phytoplasmas, and planthopper diversity on coconut palms in Trinidad and Tobago (Hemiptera: Cixiidae, Delphacidae, Derbidae)
Population genetic structure of <i>Haplaxius crudus</i>, the vector of palm lethal decline phytoplasmas, and planthopper diversity on coconut palms in Trinidad and Tobago (Hemiptera: Cixiidae, Delphacidae, Derbidae) Open
Planthoppers are a diverse and interesting group of insects. In the tropics, there are many undiscovered species and recent efforts have uncovered many new taxa associated with palms. One species of Cixiidae, Haplaxius crudus (Van Duzee), …
View article: Development of a Tetraplex Digital PCR Assay for the Detection of Invasive Snake Species in Florida, USA
Development of a Tetraplex Digital PCR Assay for the Detection of Invasive Snake Species in Florida, USA Open
Florida, USA is a hotspot of biological invasions with over 500 non‐native species reported. Reptiles encompass most of the non‐native wildlife with over 50 species established, many of which are sympatric and are identified as invasive du…
View article: A new species of planthopper in the genus Colpoptera (Hemiptera: Fulgoroidea: Nogodinidae) from the Northeastern coast of Jamaica
A new species of planthopper in the genus Colpoptera (Hemiptera: Fulgoroidea: Nogodinidae) from the Northeastern coast of Jamaica Open
A new species of Colpoptera Burmeister, 1835, C. japortla sp. nov. (Colpopterinae: Colpopterini), is described from Jamaica. The new species was found during a survey of planthoppers associated with coconut palms to document taxa that are …
View article: A new species of planthopper in the genus Anotia (Hemiptera: Auchenorrhyncha: Derbidae) from the Los Angeles cloud forest in Costa Rica
A new species of planthopper in the genus Anotia (Hemiptera: Auchenorrhyncha: Derbidae) from the Los Angeles cloud forest in Costa Rica Open
Recent survey work in Costa Rica has resulted in the discovery of new species of derbid and cixiid planthoppers associated with palms. During this survey, one species belonging to the genus Anotia has been discovered and described, A. fire…
View article: A new species of planthopper in the genus Bothriocera (Hemiptera: Auchenorrhyncha: Cixiidae) from coconut palm (Cocos nucifera) in Jamaica
A new species of planthopper in the genus Bothriocera (Hemiptera: Auchenorrhyncha: Cixiidae) from coconut palm (Cocos nucifera) in Jamaica Open
Recent survey work in Jamaica on palm-associated planthoppers seeks to identify putative vectors of the lethal yellowing phytoplasma. Herein, a new species of planthopper, Bothriocera harthi sp. n., is described from coconut palm. Molecula…
View article: A new species of Oecleus (Hemiptera: Auchenorrhyncha: Fulgoromorpha: Cixiidae) from the Osa Peninsula in Costa Rica
A new species of Oecleus (Hemiptera: Auchenorrhyncha: Fulgoromorpha: Cixiidae) from the Osa Peninsula in Costa Rica Open
Recent palm survey work in Costa Rica focusing on planthoppers has resulted in the discovery of several new taxa, primarily in Cixiidae and Derbidae. In addition to sampling palms directly, light trapping has been utilized to collect a bro…
View article: A new species of planthopper in the genus Shellenius (Hemiptera: Fulgoroidea: Derbidae) from palms in Costa Rica
A new species of planthopper in the genus Shellenius (Hemiptera: Fulgoroidea: Derbidae) from palms in Costa Rica Open
The genus Shellenius is a small taxon of planthoppers in the family Derbidae (Otiocerinae: Otiocerini) found in the eastern United States and Mesoamerica. A new species of Shellenius associated with palms is herein described from Costa Ric…
View article: Identification of Green-Leaf Volatiles Released from Cabbage Palms (Sabal palmetto) Infected with the Lethal Bronzing Phytoplasma
Identification of Green-Leaf Volatiles Released from Cabbage Palms (Sabal palmetto) Infected with the Lethal Bronzing Phytoplasma Open
Lethal bronzing (LB) is a fatal infection that affects over 20 species of palms (Arecaceae) and is caused by the phytoplasma ‘Candidatus Phytoplasma aculeata’. This pathogen causes significant economic losses to landscape and nursery compa…
View article: A new species of planthopper in the genus Melanoliarus (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from coconut palms (Cocos nucifera) in Trinidad
A new species of planthopper in the genus Melanoliarus (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from coconut palms (Cocos nucifera) in Trinidad Open
During a survey in Trinidad and Grenada for putative vectors of palm lethal decline phytoplasmas, three species of planthopper in the genus Melanoliarus (Hemiptera, Cixiidae) were collected. Melanoliarus maidis was collected from coconut p…
View article: A new species of planthopper in the genus Jamaha (Hemiptera: Fulgoroidea: Nogodinidae) from the Northeastern coast of Jamaica
A new species of planthopper in the genus Jamaha (Hemiptera: Fulgoroidea: Nogodinidae) from the Northeastern coast of Jamaica Open
A new species of Jamaha Gnezdilov & O’Brien, 2008, is described from Jamaica and compared with other species in the genus. A key to the species of Jamaha is provided. Molecular data for the five-prime region of the cytochrome c oxidase sub…
View article: A new species of planthopper from Costa Rica in the genus Herpis (Hemiptera: Derbidae) from palms in the cloud forest
A new species of planthopper from Costa Rica in the genus Herpis (Hemiptera: Derbidae) from palms in the cloud forest Open
Recent survey efforts in Costa Rica have documented many new species of planthoppers, primarily in the families Derbidae and Cixiidae, on palms. Recently, a specimen was collected sweeping palms in the Los Angeles cloud forest in Costa Ric…
View article: A new species of planthopper in the genus Haplaxius (Hemiptera: Fulgoroidea: Cixiidae) from disturbed submontane rainforest in Jamaica
A new species of planthopper in the genus Haplaxius (Hemiptera: Fulgoroidea: Cixiidae) from disturbed submontane rainforest in Jamaica Open
Haplaxius is a large genus of cixiid planthopper found in the New World. The genus is of particular interest due to the ability of H. crudus to transmit the phytoplasmas for lethal decline in various palm species, primarily in the Caribbea…
View article: A new species of planthopper from Costa Rica in the genus Herpis (Hemiptera: Derbidae) from palms in the cloud forest
A new species of planthopper from Costa Rica in the genus Herpis (Hemiptera: Derbidae) from palms in the cloud forest Open
This dataset contains the digitized treatments in Plazi based on the original journal article Zumbado Echavarria, Marco A., Barrantes Barrantes, Edwin A., Helmick, Ericka E., Bartlett, Charles R., Bahder, Brian W. (2023): A new species of …
View article: A new species of planthopper in the genus Haplaxius (Hemiptera: Fulgoroidea Cixiidae) from disturbed submontane rainforest in Jamaica
A new species of planthopper in the genus Haplaxius (Hemiptera: Fulgoroidea Cixiidae) from disturbed submontane rainforest in Jamaica Open
This dataset contains the digitized treatments in Plazi based on the original journal article Bahder, Brian W., Myrie, Wayne, Helmick, Ericka E., Bartlett, Charles R. (2023): A new species of planthopper in the genus Haplaxius (Hemiptera: …
View article: A new species of planthopper in the genus Haplaxius from Osa Peninsula in Costa Rica (Hemiptera: Fulgoroidea: Cixiidae)
A new species of planthopper in the genus Haplaxius from Osa Peninsula in Costa Rica (Hemiptera: Fulgoroidea: Cixiidae) Open
Haplaxius is a large genus of New World cixiid planthoppers. The genus is of particular interest because Haplaxius crudus can transmit palm infecting phytoplasmas and the recent discovery of additional Haplaxius on palms during survey work…
View article: A new species of Oecleus (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from the Caribbean coast of Costa Rica and a reassessment of the generic status of Nymphomyndus
A new species of Oecleus (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from the Caribbean coast of Costa Rica and a reassessment of the generic status of Nymphomyndus Open
A new species of cixiid planthopper in the genus Oecleus Stål is described from Tortuguero, Limón Province, Costa Rica. This is the first Oecleus species reported from Costa Rica. The new species, Oecleus dormido sp. n., was collected swee…
View article: A new species of planthopper in the genus Tico (Hemiptera: Auchenorrhyncha: Derbidae) on palms from lowland tropical rainforest in Costa Rica
A new species of planthopper in the genus Tico (Hemiptera: Auchenorrhyncha: Derbidae) on palms from lowland tropical rainforest in Costa Rica Open
Recently, the genus Tico Bahder & Bartlett was described as part of ongoing research focused on planthopper diversity on palms in Costa Rica to accommodate two new species and the transfer of one species from Cenchrea Westwood. Herein, a n…
View article: A new species of planthopper in the genus Tico (Hemiptera: Auchenorrhyncha: Derbidae) on palms in Costa Rica
A new species of planthopper in the genus Tico (Hemiptera: Auchenorrhyncha: Derbidae) on palms in Costa Rica Open
This dataset contains the digitized treatments in Plazi based on the original journal article Zumbado Echavarria, Marco A., Barrantes Barrantes, Edwin A., Helmick, Ericka E., Bartlett, Charles R., Bahder, Brian W. (2022): A new species of …
View article: A new species of planthopper from Costa Rica in the genus Oropuna from palms in lowland tropical rainforest
A new species of planthopper from Costa Rica in the genus Oropuna from palms in lowland tropical rainforest Open
The derbid genus Oropuna is a small taxon of Neotropical planthoppers in the tribe Cenchreini comprised of three species. Recent survey work on palms for planthoppers in Costa Rica resulted in the discovery of a fourth species, Oropuna hal…
View article: A new species of planthopper in genus Herpis (Hemiptera: Derbidae) from lowland tropical rainforest in Costa Rica
A new species of planthopper in genus Herpis (Hemiptera: Derbidae) from lowland tropical rainforest in Costa Rica Open
Recent survey efforts in the Neotropics have documented a variety of new species of planthoppers associated with palms. Herein, a new species, Herpis soros sp. n., is described from palms in lowland tropical rainforest from Costa Rica. Oth…
View article: A new species of Myxia (Hemiptera: Auchenorrhyncha: Cixiidae) collected on palms from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica
A new species of Myxia (Hemiptera: Auchenorrhyncha: Cixiidae) collected on palms from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica Open
A new species of Myxia Bahder & Bartlett (Cixiidae: Cixiinae: Oecleini) is established as Myxia hernandezi sp. n. collected from native palms in cloud forest habitat in Costa Rica. Placement in the genus Myxia is supported by molecular ana…
View article: A new planthopper species in the genus Omolicna (Hemiptera: Auchenorrhyncha: Derbidae) from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica
A new planthopper species in the genus Omolicna (Hemiptera: Auchenorrhyncha: Derbidae) from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica Open
Recent survey work on palms in Costa Rica has resulted in the discovery of several new species of Derbidae, especially in the Cenchreini. During a recent expedition, specimens collected by light trapping at the Hotel Villa Blanca (cloud fo…
View article: A new species of planthopper in the genus Haplaxius (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from coconut palm (Cocos nucifera) in Costa Rica
A new species of planthopper in the genus Haplaxius (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from coconut palm (Cocos nucifera) in Costa Rica Open
Haplaxius is a large genus of cixiid planthoppers that is widespread in the New World and economically important due to the role of H. crudus in transmitting palm lethal decline phytoplasmas. A new species of Haplaxius, here described as H…
View article: A new genus and two new species of planthopper in the tribe Cenchreini (Hemiptera: Auchenorrhyncha: Derbidae) from lowland tropical rainforest in Costa Rica
A new genus and two new species of planthopper in the tribe Cenchreini (Hemiptera: Auchenorrhyncha: Derbidae) from lowland tropical rainforest in Costa Rica Open
Recent survey work for planthoppers at La Selva Biological Station in Costa Rica found two new species allied with Cenchrea Westwood. The cytochrome c oxidase subunit I (COI) and 18S were sequenced for the new taxa and used these data to a…
View article: A new species of planthopper in the genus Agoo Bahder &amp; Bartlett (Hemiptera: Fulgoroidea: Derbidae) from coconut palm (Cocos nucifera L.) in Jamaica
A new species of planthopper in the genus Agoo Bahder & Bartlett (Hemiptera: Fulgoroidea: Derbidae) from coconut palm (Cocos nucifera L.) in Jamaica Open
A new species of the genus Agoo Bahder & Bartlett, Agoo beani sp. n. was found associated with coconut (Cocos nucifera L., Arecaceae) in Jamaica. This species was discovered as part of a survey of the Caribbean basin to document planthoppe…
View article: The Complete Mitochondrial Genome of The American Palm Cixiid, Haplaxius Crudus (Hemiptera: Cixiidae)
The Complete Mitochondrial Genome of The American Palm Cixiid, Haplaxius Crudus (Hemiptera: Cixiidae) Open
The authors have withdrawn this preprint due to author disagreement.
View article: The Complete Mitochondrial Genome of The American Palm Cixiid, Haplaxius Crudus (Hemiptera: Cixiidae)
The Complete Mitochondrial Genome of The American Palm Cixiid, Haplaxius Crudus (Hemiptera: Cixiidae) Open
Background Haplaxius crudus (the American palm cixiid) is a major insect pest of various economically important palms. H. crudus persists in tropical and subtropical regions where it is known to transmit the lethal yellowing (LY) phytoplas…
View article: Effect of Oxytetracycline-Hydrochloride on Phytoplasma Titer and Symptom Progression of the 16SrIV-D Phytoplasma in Cabbage Palms from Florida
Effect of Oxytetracycline-Hydrochloride on Phytoplasma Titer and Symptom Progression of the 16SrIV-D Phytoplasma in Cabbage Palms from Florida Open
Lethal bronzing (LB) is a phytoplasma disease of palms in Florida, U.S.A. Historically, the use of the antibiotic oxytetracycline-hydrochloride (OTC-HCl) was optimized to treat for LY, and currently label rates for OTC-HCl developed for LY…