Research ArticleArticles

Host Suitability of Asiatic Elm Species and Hybrids for Larvae and Adults of the Elm Leaf Beetle (Coleoptera: Chrysomelidae)

Fredric Miller and George Ware
Arboriculture & Urban Forestry (AUF) May 2001, 27 (3) 118-125; DOI: https://doi.org/10.48044/jauf.2001.014

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Tables

  • Table 1.

    Mean development time, percent pupation, and percent adult emergence of P. luteola in the no-choice larval suitability bioassay.

    Species/hybridNzDevelopment time (larva to adult) (d)yPercent pupationyPercent adult emergencey
    U. castaneifolia30—x3 ± 0.03 a0 ± 0.00 a
    U. changii3026 ± 1.00 ab7 ± 0.05 a7 ± 0.05 a
    U. chenmoui3025 ± 0.75 ab40 ± 0.09 b40 ± 0.09 b
    U. davidiana30—x3 ± 0.03 a0 ± 0.00 a
    U. davidiana × U.japonica3021 ± 0.83 ab23 ± 0.08 a23 ± 0.08 a
    U. davidiana × U. japonica-wilsoniana-pumila3013 ± 0.30 a57 ± 0.09 b53 ± 0.08 b
    U. davidiana × U. propinqua30—w0 ± 0.00 a0 ± 0.00 a
    U. davidiana × U. ‘Morton’-Accolade™3025 ± 1.00 ab3 ± 0.03 a3 ± 0.03 a
    U. elongata30—w0 ± 0.00 a0 ± 0.00 a
    U. gaussenii3025 ± 1.7 ab13 ± 0.06 a13 i 0.06 a
    U. glaucescens3019 ± 0.46 a50 ± 0.09 b47 ± 0.09 b
    U.japonica3021 ± 0.53 ab30 ± 0.09 ab30 ± 0.09 ab
    U. íamellosa3019 ± 0.53 a40 ± 0.09 b37 ± 0.09 b
    U. macrocarpa3018 ± 0.37 a57 ± 0.09 b50 ± 0.07
    U. parvifolia30—w0 ± 0.00 a0 ± 0.00 a
    U. propinqua3020 ± 1.0 ab7 ± 0.05 a7 ± 0.05 a
    U. pumila (reference)3018 ± 0.42 a53 ± 0.09 b53 ± 0.09 b
    U. szechuanica30—w0 ± 0.00 a0 ± 0.00 a
    U. szechuanica × U.japonica3018 ± 0.21 a50 ± 0.09 b47 ± 0.09 b
    U. wilsoniana3020 ± 0.40 ab33 ± 0.09 ab30 ± 0.09 ab
    U. ‘Morton’-Accolade”‘3027 ± 1.67 b20 ± 0.09 a20 ± 0.09 a
    U. ‘Morton’-Accolade™ × U.japonica3022 ± 1.00 ab7 ± 0.05 a7 ± 0.05 a
    U. ‘Morton’-Accolade™ × U. pumila3018 ± 0.33a40 ± 0.10 b40 ± 0.10 b
    U. ‘Morton Glossy’-Triumph™3021 ± 1.2 ab23 ± 0.08 a23 ± 0.08 a
    U. ‘Morton Plainsman’-Vanguard™3019 ± 0.33 a53 ± 0.09 b53 ± 0.09 b
    U. ‘Morton Plainsman’-Vanguard™ × U. davidiana3021 ± 0.84 ab23 ± 0.08 a23 ± 0.08 a
    U. ‘Morton Plainsman’-Vanguard™ × U.japonica-ivilsoniana-pumila3021 ± 0.70 ab30 ± 0.09 ab30 ± 0.09 ab
    U. ‘Morton Red Tip’-Danada Charm™3019 ± 0.54 a53 ± 0.09 b53 ± 0.09 b

    • ↵z Represents ten individual larvae for each of three individual trees for each elm biotype.

    • ↵y Values within columns followed by the same letter are not significantly different (P = 0.05; Student-Newman-Keuls (SNK) multiple comparison test).

    • ↵x Larvae reached pupation, but no adults emerged.

    • ↵w No larvae reached pupation.

  • Table 2.

    Mean number of eggs laid per female, percent females ovipositing, preovipositional period, male longevity, and female longevity of adult P. luteola reared in the larval suitability experiment.

    Species/hybridNzEggs laid/femaleyPercent females ovipositingyPreovipositional period (d)yMale longevity(d)yFemale longevity (d)y
    U. changii1200 ± 30.1 c100 ± 15.0 c9± 1.0 b1 ± 0.1 a21 ± 0.6 c
    U. chenmoui411 ± 6.2 a100 ± 15.0 c20 ± 2.5 c20 ± 0.6 c21 ± 0.6 c
    U. davidiana × U. japonica320 ± 11.8 a66 ± 33.0 ab7 ± 4.5 a9 ± 4.8 b2 ± 0.5 a
    U. davidiana × U. japonica-wilsoniana-pumila3168 ± 18.6 c100 ± 20.0 ab11 ± 3.0 b17 ± 4.0 c20 ± 4.1 c
    U. davidiana × U. japonica U. ‘Morton’-Accolade™3129 ± 44.6 b100 ± 15.0 c11 ± 1.5 b17 ± 2.3 c20 ± 1.0 c
    ü. gaussenii139 ± 9.5 ab100 ± 18.0 c16 ± 2.0 c21 ± 1.2 c20 ± 0.0 c
    U. glaucescens48 ± 3.6 a38 ± 19.0 ab14 ± 4.5 c15 ± 2.2 c15 ± 2.3 b
    U. japonica3O± 0.0 a0 ± 0.0 a—10 ± 3.3 b5 ± 1.2 a
    U. lamellosa461 ± 23.0 ab33 ± 18.0 ab10 ± 1.0 b12 ± 4.3 b16 ± 3.5 b
    U macrocarpa577 ± 19.1 ab80 ± 20.0 b11 ± 1.0 b15 ± 2.2 c18 ± 1.2 c
    U. propinqua123 ± 11.9 a100 ± 20.0 c19 ± 2.0 c21 ± 0.9 c21 ± 1.0 c
    U. pumila (reference)4135 ± 28.9 c67 ± 33.0 ab8 ± 1.0 a10 ± 5.9 b19 ± 0.9 c
    U. szechuanica × U. japonica698 ± 41.1 b67 ± 33.0 ab5 ± 1.7 a15 ± 2.5 c15 ± 2.6 b
    U. wilsoniana385 ± 31.1 ab100 ± 17.0 c8 ± 0.6 a20 ± 0.6 c21 ± 0.0 c
    U. ‘Morton’-Accolade™1207 ± 25.0 d100 ± 15.0 c8 ± 0.6 a21 ± 0.6 c11 ± 5.2 b
    U. ‘Morton’-Accolade™× U. pumila4155 ± 31.2 c100 ± 25.0 c7 ± 2.0 a6 ± 2.1 a20 ± 1.0 c
    U.’Morton Glossy’-Triumph™20 ± 0.0 a0 ± 0.0 a—19 ± 2.5 c15 ± 1.6 b
    U. ‘Morton Plainsman’-Vanguard™6188 ± 19.7 c100 ± 20.0 c7 ± 2.3 a19 ± 0.9 c18 ± 1.7 c
    U. ‘Morton Plainsman’-Vanguard™ × U. pumila U. davidiana3102 ± 68.0 b67 ± 33.0 ab7 ± 4.0a7 ÷ 4.6 a15 ± 4.3 b
    U.’Morton Plainsman’-Vanguard™ × U. pumila U. japonica-u>ilsoniana-pumila584 ± 41.2 ab40 ± 20.0 ab7 ± 0.5 a18 ± 3.0 c20 ± 1.4 c
    U. ‘Morton Red Tip’-Danada Charm™8178 ± 25.1 c100 ± 15.0 c7 ± 1.3 a17 ± 1.0 c21 ± 0.3 c

    • ↵z Number of adult male/female P. luteola pairs reared from the larval suitability experiment.

    • ↵y Values within columns followed by the same letter are not significantly different (P = 0.05; Student-Newman-Keuls (SNK) multiple comparison test).

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Host Suitability of Asiatic Elm Species and Hybrids for Larvae and Adults of the Elm Leaf Beetle (Coleoptera: Chrysomelidae)
Fredric Miller, George Ware
Arboriculture & Urban Forestry (AUF) May 2001, 27 (3) 118-125; DOI: 10.48044/jauf.2001.014
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