Host Plants in Eastern North America by Trevor Fowles & David R

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A guide to identification of common insect host plants in Eastern North America by Trevor Fowles & David R. Angelini The soapberry family (Sapindaceae) The soapberries can be identified by large air-filled pods with 1-6 seeds. Their seed leaves are very sub-divided. pod seeds Balloon vine or Heartseed seed leaves are pod sub-divided (Cardiospermum sp.) Found in South Florida, Goldenrain tree Planted in urban and suburban street- the Gulf Coast, and the (Koelreuteria sp.) sides and developments across the US. Lower Mississippi River. Maples (part of the Sapindaceae) Milkweed (Asclepias sp.) Box elder (Acer seed negundo) pod milkweed flowers Maple (Acer sp.) latex seed pods Milkweed is common along roadsides or as a garden plant. Maples are common trees with They ooze toxic latex from broken monarch palm-shaped leaves. Their seeds leaves. Seed pods have a soft fluff. butterfly are known as samaras, “maple Many insects (bugs, beetles, and caterpillars keys”, “helicopters”, or “whirligigs”. caterpillars) live on milkweed. pistil The sunflower The mallow family stamens family ray flowers (Malvaceae) disk flowers (Asteraceae) Mallows have flowers with 5 petals and stamens fused cotton with the pistil. (Gossyp- Leaves have tiny Hibiscus ium sp.) star-shaped, spiky hairs on their underside. fruit from boll cotton stainer bugs yarrowyarrow ragwortragwort fleabanefleabane ((Achillea sp.)sp.) ((Senecio sp.) ((Erigeron sp.) (Dysdercus sp.) bugsinourbackyard.org A key to identification of common bug species in Eastern North America by Trevor Fowles & David R. Angelini box elder ? seed What’s that bug Does the bug (Secondary have ocelli? eyes on top of its head) no ocelli ocelli box elder bug About how Boisea trivittata orange or many veins color on wings & bordered plant bug red border in the wing middle of pronotum Largus cinctus on pronotum membrane? & wings head no color on wings, pronotum red shoulders wings 20 veins red body red eyes white neck wing membrane 4-5 veins 2 colors: red-shouldered cotton stainer red & black soapberry bug Dysdercus suturellus feeds on milkweed Jadera haematoloma 3 colors: red, black black band no black band, & white acoss the wings have red X feeds on middle of the and a black heart asterids wings large milkweed bug small milkweed bug white-crossed seed bug Oncopeltus fasciatus Lygaeus kalmii Neacoryphus bicrucis Didn’t find your bug on this key? Check out other resources online... bugsinourbackyard.org.

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Feeding on Milkweeds (Asclepias Species) in Central California
ASPECTS OF THE CHEMICAL ECOLOGY OF LYGAEID BUGS (ONCOPELTUS FASCIATUS AND LYGAEUS KALMII KALMII) FEEDING ON MILKWEEDS (ASCLEPIAS SPECIES) IN CENTRAL CALIFORNIA by MURRAY BRUCE ISMAN B.Sc, University of British Columbia, 1975 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE, in THE FACULTY OF GRADUATE STUDIES (Department of Zoology) We accept this thesis as conforming to the required standard THE UNIVERSITY OF BRITISH'COLUMBIA April, 1977 (c) Murray Bruce Isman, 1977 In presenting this thesis in partial fulfilment of the requirements for an advanced degree at the University of British Columbia, I agree that the Library shall make it freely available for reference and study. I further agree that permission for extensive copying of this thesis for scholarly purposes may be granted by the Head of my Department or by his representatives. It is understood that copying or publication of this thesis for financial gain shall not be allowed without my written permission. Department of ZOOLOGY The University of British Columbia 2075 Wesbrook Place Vancouver, Canada V6T 1WS Frontispiece. Adult Oncopeltus fasciatus and Lygaeus kalmii kalmii (center) on a dehiscent pod of Asclepias fascicularis in Napa County, California. (iii) (iv) ABSTRACT A plant-insect allomonal system was investigated, involving seed bugs (Lygaeidae) on milkweeds (Asclepias spp.). The ability of the insects to sequester secondary compounds from host plants was studied in detail in central California. A colorimetric assay was used to quanitify the amount of cardenolides (cardiac glycosides) in the lygaeid bugs Oncopeltus fasciatus and Lygaeus kalmii kalmii and nine species of milkweed host plants.
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Butterflies and Caterpillars Butterflies and Caterpillars - Cherrytree Books, 2007 - 1842344404, 9781842344408 - Anita Ganeri - 2007 Younger readers can follow the transformation from egg to beautiful butterfly in this book, one in a series of books which track the life cycles of familiar animals, both wild and domestic. Download Pdf http://contentin.org/.AYzXV.pdf Dingle, H.: Migration and diapause in tropical, temperate, and island milkweed bugs. In: Evolution of insect migration and diapause (H. Dingle, ed.), pp. 254â“276. Berlin-Heidelberg-New York: Springer 1978 1968, 1973). Here we report on the exclusion of seed-feeding milkweed bugs from the island of Barbados by monarch butterflies whose caterpillars feed on the leaves and fruits of the same host plants. Milkweed bugs (Oncopeltus. The complex life-cycles of Maculinea butterflies and their interactions with Myrmica ants have been studied extensively both in the field (eg Chapman, 1916a, b; Frohawk, 1916, 1924; Thomas, 1980, 1995; Elmes et al., 1991a) and, to a lesser extent, in the laboratory. And molting). As in many other groups of butterflies, riodinid caterpillars typically feed on young leaves or shoots. Unless specified otherwise the abbreviation lvs in Table 1 refers to young leaves and flrs refers to flowers. Under. Ralph, C.P.: Natural food requirements of the large milkweed bug, Oncopeltus fasciatus (Hemiptera: Lygaeidae), and their relation to gregariousness and host plant morphology. Oecologia (Berl.) 26, 157â“175 (1976) Abstract: Written for scientists and general enthusiasts, this book provides descriptions and information on distribution, habitat, life history, nectar sources and larval host plants of Papilionidae, Pieridae, Lycaenidae, Riodinidae, Nymphalidae and Hesperiidae in West.
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Some Aspects of the Sequestration of Cardenolides in the Large Milkweed Bug, Oncopeltus Fasciatus (Dallas) (Hemiptera: Lygaeidae)
SOME ASPECTS OF THE SEQUESTRATION OF CARDENOLIDES IN THE LARGE MILKWEED BUG, ONCOPELTUS FASCIATUS (DALLAS) (HEMIPTERA: LYGAEIDAE) by LYNN MARIE VASINGTON MOORE B.Sc. (Magna Cum Laude) UNIVERSITY OF CONNECTICUT, 1975 M.Sc. UNIVERSITY OF MASSACHUSETTS, 1978 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY in THE FACULTY OF GRADUATE STUDIES DEPARTMENT OF ZOOLOGY We accept this thesis as conforming to the-f5e.auired standard April, 1985 (c) Lynn Marie Vasington Moore, 1985 In presenting this thesis in partial fulfilment of the requirements for an advanced degree at the University of British Columbia, I agree that the Library shall make it freely available for reference and study. I further agree that permission for extensive copying of this thesis for scholarly purposes may be granted by the head of my department or by his or her representatives. It is understood that copying or publication of this thesis for financial gain shall not be allowed without my written permission. Department of The University of British Columbia 1956 Main Mall Vancouver, Canada V6T 1Y3 OE-6 (3/81) ii ABSTRACT Specific aspects of the selective sequestration, excretion and tolerance of cardenolides in the large milkweed bug, Oncopeltus fasciatus have been studied using spectrophotometry assays, thin-layer chromatography, tracer studies, in vivo tolerance assays, and enzyme inhibition techniques. The cardenolide content of the dorsolateral space, gut, wings and fat body of Oncopeltus fasciatus was examined. The results indicate that the majority of cardenolides sequestered in the insect are concentrated in the dorsolateral space, which confirms the basic pattern of quantitative distribution of cardenolides in fJ.
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Common True Bugs and Related Insects (Orders Hemiptera and Homoptera) in the Wichita Mountains and Surrounding Areas
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Natural Selection and Maladaptive Plasticity in the Red-Shouldered Soapberry Bug
bioRxiv preprint doi: https://doi.org/10.1101/082016; this version posted October 19, 2016. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. 1 Natural selection and maladaptive plasticity in the red-shouldered soapberry bug 2 Author: M L Cenzer1* 3 4 Affiliation: 5 1 University of California, Davis 6 *Correspondence to [email protected] 7 8 Abstract 9 Natural selection and phenotypic plasticity can both produce locally differentiated phenotypes, 10 but novel environments or gene combinations can produce plasticity that works in opposition to 11 adaptive change. The red-shouldered soapberry bug (Jadera haematoloma) was locally adapted 12 to feed on the seeds of an introduced and a native host plant in Florida in the 1980s. By 2014, 13 local differentiation was lost and replaced by phenotypically similar populations all adapted to 14 the introduced host, likely as a result of gene flow. Here, I quantify the effects of these two host 15 plants on individual performance, natural selection, and phenotypic plasticity. I find that the seed 16 coat and seedpod of the native host have strong negative effects on juvenile survival and adult 17 reproduction compared to the introduced host. I find support for the hypothesis that the seedpod 18 is driving diversifying natural selection on beak length, which was previously locally adapted 19 between hosts. I also find maladaptive plasticity induced by host plant: bugs develop beak 20 lengths that are mismatched with the seedpod size of the host they are reared on.
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