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opencc-by-4.0Sep 2016View details →

Fig. 1 in An evaluation of plant genotypes for rearing Asian citrus psyllid (Hemiptera: Liviidae)

Fig. 1. Adult Asian citrus psyllids with wing deformities. (a) Normal adult. (b–d) Mild to moderate wing deformities. (e–f) Severe wing deformities.

opencc-by-4.0Jun 2016View details →

Fig. 1 in A "walker" tool to place Diaphorina citri (Hemiptera: Liviidae) adults at predetermined sites for bioassays of behavior in citrus (Sapindales: Rutaceae) trees

Fig. 1. Image of "walker" in use to place Diaphorina citri individual on citrus tree leaf. Inset shows dimensions.

opencc-by-4.0Sep 2016View details →

Fig. 3 in Effect of Mexican Hirsutella citriformis (Hypocreales: Ophiocordycipitaceae) strains on Diaphorina citri (Hemiptera: Liviidae) and the predators Chrysoperla rufilabris (Neuroptera: Chrysopidae) and Hippodamia convergens (Coleoptera: Coccinellidae)

Fig. 3. Mean mortality of Diaphorina citri caused by blastospores of 5 Hirsutella citriformis strains under controlled conditions (26 ± 1 °C, 76 ± 4% RH, 16:8 h L:D photoperiod) during 26 d post inoculation. Different letters indicate significant differences (Tukey's test, α = 0.05). Error bars represent the standard error (n = 7).

opencc-by-4.0Jun 2016View details →

Fig. 1 in Can the choice behavior and fitness of Tamarixia radiata (Hymenoptera: Eulophidae) be affected by the citrus (Sapindales: Rutaceae) variety used to rear the Asian citrus psyllid (Hemiptera: Liviidae)?

Fig. 1. Mean percentage (± SE) of parasitism of Tamarixia radiata on nymphs of Diaphorina citri reared on 4 citrus varieties. Means do not differ by Tukey's test (P> 0.05).

Fig. 3 in Laboratory evaluations of the foraging success of Tamarixia radiata (Hymenoptera: Eulophidae) on flowers and extrafloral nectaries: potential use of nectar plants for conservation biological control of Asian citrus psyllid (Hemiptera: Liviidae)

Fig. 3. Choice of cups with either unscented sucrose solution or with bananascented sucrose solution made by Tamarixia radiata following a pre-test exposure to either 1.0 M sucrose solution or 1.0 M sucrose solution and banana flavor extract (G-test; ** = P ≤ 0.01; NS = not significant).

Fig. 1 in Laboratory evaluations of the foraging success of Tamarixia radiata (Hymenoptera: Eulophidae) on flowers and extrafloral nectaries: potential use of nectar plants for conservation biological control of Asian citrus psyllid (Hemiptera: Liviidae)

Fig. 1. Diagrammatic representation of nectary architectures presented to Tamarixia radiata in foraging evaluations. Location of nectaries shown in red. A. Cy- athium of euphorbiaceous species with exposed nectaries. B. Partially exposed nectaries as found in buckwheat. C. Partially hidden nectaries as found in alyssum. D. Partially exposed nectaries covered with trichomes as found in marjoram. E. Hidden nectaries as found in composites. Drawings are only indicative of size and spatial relationships and are not to scale.

Fig. 2 in Laboratory evaluations of the foraging success of Tamarixia radiata (Hymenoptera: Eulophidae) on flowers and extrafloral nectaries: potential use of nectar plants for conservation biological control of Asian citrus psyllid (Hemiptera: Liviidae)

Fig. 2. Mean (± SE) feeding time of Tamarixia radiata when presented with different concentrations of sugars commonly occurring in nectar (sucrose, fructose, glucose) and honeydew (melizitose, raffinose). Bars within the same concentration having different letters are different at P ≤ 0.05 (ANOVA).

Fig. 3 in Rapid detection of insecticide resistance in Diaphorina citri (Hemiptera: Liviidae) populations, using a bottle bioassay

Fig. 3. Susceptibility of laboratory and field-collected populations of Diaphorina citri to imidacloprid tested at the diagnostic exposure time–concentration combination (A: Lake Alfred 1; B: Winter Garden; C: Lake Alfred 2; D: Frostproof; LB: laboratory strain, FL: Florida field population). Each bar represents mean ± SE. An asterisk (*) indicates significant difference between laboratory and field population at a time period based on a Bonferroni test (P ≤ 0.05).

Fig. 2 in Rapid detection of insecticide resistance in Diaphorina citri (Hemiptera: Liviidae) populations, using a bottle bioassay

Fig. 2. Susceptibility of laboratory and field-collected populations of Diaphornia citri to dimethoate tested at the diagnostic exposure time–concentration combination (A: Lake Alfred 1; B: Winter Garden; C: Lake Alfred 2; D: Frostproof; LB: laboratory strain, FL: Florida field population). Each bar represents mean ± SE. An asterisk (*) indicates significant difference between laboratory and field population based on a Bonferroni test (P ≤ 0.05).

Fig. 1 in Rapid detection of insecticide resistance in Diaphorina citri (Hemiptera: Liviidae) populations, using a bottle bioassay

Fig. 1. Susceptibility of laboratory and field-collected populations of Diaphorina citri of bifenthrin tested at the diagnostic exposure time–concentration combination (A: Lake Alfred 1; B: Winter Garden; C: Lake Alfred 2; D: Frostproof;LB:laboratory strain, FL: Florida field population). Each bar represents mean ± SE.An asterisk (*) indicates significant difference between laboratory and field population at a time period based on a Bonferroni test (P ≤ 0.05).

Fig. 4 in Rapid detection of insecticide resistance in Diaphorina citri (Hemiptera: Liviidae) populations, using a bottle bioassay

Fig. 4. Susceptibility of laboratory and field-collected populations of Diaphorina citri to fenpropathrin tested at the diagnostic exposure time–concentration combination (A: Lake Alfred 1; B: Winter Garden; C: Lake Alfred 2; Frostproof; LB: Laboratory strain, FL: Florida Field strain). Each bar represents mean ± SE. An asterisk (*) indicates significant difference between laboratory and field population at a time period based on a Bonferroni test (P ≤ 0.05).

opencc-by-4.0Sep 2017View details →

Fig. 1 in Field survey of Asian citrus psyllid (Hemiptera: Liviidae) infestations associated with six cultivars of Poncirus trifoliata (Rutaceae)

Fig. 1. Comparisons among cultivars of Citrus, citranges, and pure Poncirus trifoliata with respect to infestations of Asian citrus psyllid (ACP) in 5-yr-old trees at a grove in east-central Florida during 2016. a) Percentage of branches with flush suitable for oviposition by Asian citrus psyllid. b) Average infestation densities of immature Asian citrus psyllids (counts of eggs and nymphs combined) per flush shoot. Error bars are standard errors of the mean.

opencc-by-4.0Jun 2017View details →

Fig. 1 in Feeding and oviposition of Diaphorina citri (Hemiptera: Liviidae) on Helietta apiculata (Sapindales: Rutaceae): a potential host?

Fig. 1. Survivorship of adults of Diaphorina citri on 2 rutaceous species. Means followed by the same letter did not differ in the glm test by quasi-binomial distribution (F = 5.126; df = 1,19; P = 0.036).

opencc-by-4.0Jun 2017View details →

Fig. 2 in Feeding and oviposition of Diaphorina citri (Hemiptera: Liviidae) on Helietta apiculata (Sapindales: Rutaceae): a potential host?

Fig. 2. Mean number of eggs laid on 2 rutaceous species by Diaphorina citri during 72 h. Means followed by the same letter did not differ in the glm test by quasi-Poisson distribution (F = 14.723, df = 1,19; P = 0.012).

opencc-by-4.0Dec 2021View details →

Figura 1 in Insecticidas de bajo impacto ambiental para el control de Diaphorina citri Kuwayama, 1908 (Hemiptera: Liviidae) en limón mexicano (Citrus aurantifolia (Christm.) Swingle)

Figura 1. Homogeneidad de varianzas de los datos de infestación. / Homogeneity of variances of the infestation data.

opencc-by-4.0Mar 2018View details →

Fig. 1 in Occurrence of coccinellids that prey on Diaphorina citri (Hemiptera: Liviidae) on Euphorbia heterophylla (Euphorbiaceae) and Chamaecrista fasciculata (Fabaceae) in a south Florida residential area

Fig. 1. Nectary plants monitored for presence of coccinellids. (A) Chamaecrista fascisculata foliage. (B) Euphorbia heterophylla with adult Harmonia axyridis. Arrows show nectaries.

Fig. 5 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates

Fig. 5. Mean (± SE) development time of parasitoid eggs to adult emergence of (A) Diaphorencyrtus aligarhensis and (B) Tamarixia radiata that developed on different Diaphorina citri instars in no-choice experiments. Treatment means with the same letters are not significantly different (P> 0.05).

Fig. 3 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates

Fig. 3. Mean (± SE) emergence of adult Diaphorencyrtus aligarhensis from second through fifh instar Diaphorina citri nymphs in no-choice experiments when females foraged alone or with hetero- and conspecific competitors. Foraging scenario only affected parasitoid emergence when D. aligarhensis foraged for fourth instar D. citri nymphs (means with the same letters are not significantly different; P> 0.05).

Fig. 2 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates

Fig. 2. The effect of foraging scenario on mean (± SE) Diaphorina citri mortality when (A) second, (B) third, (C) fourth, and (D) fifh instar Diaphorina citri nymphs were exposed to female parasitoids in no-choice experiments. In each panel, means with the same letters are not significantly different (P> 0.05).

Fig. 1 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates

Fig. 1. Mean (± SE) proportion of oviposition events (αi), indicating preference of female parasitoids for second through fifh instar Diaphorina citri nymphs in choice arenas. For each parasitoid species, means with the same letters are not significantly different (P> 0.05).