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{
    "pk": 41249,
    "title": "Behavioral, Ultrastructural, and Chemical Studies on the 'Honeydew' Excretions in Nymphs and Adults of the Asian Citrus Psyllid",
    "subtitle": null,
    "abstract": "The Asian citrus psyllid (ACP) \nDiaphorina citri\n (Hemiptera:  Psyllidae) is the main vector of bacteria responsible for citrus huanglongbing (citrus greening), the most serious citrus disease worldwide. Behavioral and ultrastructural studies on ‘honeydew’ excretions by ACP indicated interesting differences between nymphs, males and females. The anal opening in ACP, near the posterior end of the abdomen, is on the ventral side in nymphs and on the dorsal side in adults. Video recordings showed that males produce clear sticky droplets of honeydew gently laid behind them on the leaf surface, whereas females powerfully expel whitish, different shaped pellets that travel away from the female, probably to get these sticky excretions away from eggs and newly-hatched nymphs. ACP nymphs produce long ribbons or tubes of honeydew excretions that frequently stay attached to the exuviae after molting. Honeydew excretions of both nymphs and adult females are covered with a thin layer of whitish wax-like material ultrastructurally composed of a convoluted network of thin filaments apparently produced by the “wax” glands underneath the anal ring, which is absent in males of this and other psyllid species. The chemical composition of these excretions is being investigated using infrared microscopy and gas chromatography/mass spectroscopy.",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\n\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [],
    "section": "Abstracts of Presentations at the 3rd International Research Conference on Huanglongbing",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/21m3m60d",
    "frozenauthors": [
        {
            "first_name": "E.",
            "middle_name": "D.",
            "last_name": "Ammar",
            "name_suffix": "",
            "institution": "USDA-ARS, 2001 South Rock Road, Fort Pierce, FL 34945",
            "department": "None"
        },
        {
            "first_name": "R.",
            "middle_name": "",
            "last_name": "Alessandro",
            "name_suffix": "",
            "institution": "USDA-ARS, 2001 South Rock Road, Fort Pierce, FL 34945",
            "department": "None"
        },
        {
            "first_name": "R.",
            "middle_name": "G.",
            "last_name": "Shatters",
            "name_suffix": "",
            "institution": "USDA-ARS, 2001 South Rock Road, Fort Pierce, FL 34945",
            "department": "None"
        },
        {
            "first_name": "D.",
            "middle_name": "G.",
            "last_name": "Hall",
            "name_suffix": "",
            "institution": "USDA-ARS, 2001 South Rock Road, Fort Pierce, FL 34945",
            "department": "None"
        }
    ],
    "date_submitted": "2014-11-25T14:24:58-05:00",
    "date_accepted": "2014-11-25T14:24:58-05:00",
    "date_published": "2013-12-31T19:00:00-05:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/iocv_journalcitruspathology/article/41249/galley/30848/download/"
        }
    ]
}