Relation of head capsule width to instar development in larvae of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae) [pests of grasslands in New Mexico]
A classification scheme for determining larval instars of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae), based on spine characteristics, is described. The scheme is tested favorably by plotting head capsule widths against the predicted instar. Head capsule growth appr...
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| Veröffentlicht in: | Journal of the Kansas Entomological Society 1981, Vol.54 (1), p.1-7 |
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| container_title | Journal of the Kansas Entomological Society |
| container_volume | 54 |
| creator | Hansen, James D. Owens, John C. Huddleston, Ellis W. |
| description | A classification scheme for determining larval instars of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae), based on spine characteristics, is described. The scheme is tested favorably by plotting head capsule widths against the predicted instar. Head capsule growth approximately followed Dyar's rule, but a second degree polynomial equation (ln Y = -0.424 + 0.477X -$0.022{\rm X}^{2}$) more accurately described growth. Finally, a key for determining instars is developed from spine characteristics and head capsule widths. |
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The scheme is tested favorably by plotting head capsule widths against the predicted instar. Head capsule growth approximately followed Dyar's rule, but a second degree polynomial equation (ln Y = -0.424 + 0.477X -$0.022{\rm X}^{2}$) more accurately described growth. 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The scheme is tested favorably by plotting head capsule widths against the predicted instar. Head capsule growth approximately followed Dyar's rule, but a second degree polynomial equation (ln Y = -0.424 + 0.477X -$0.022{\rm X}^{2}$) more accurately described growth. Finally, a key for determining instars is developed from spine characteristics and head capsule widths.</description><subject>Capsules</subject><subject>Caterpillars</subject><subject>Entomology</subject><subject>Insect larvae</subject><subject>Instars</subject><subject>Larvae</subject><subject>Larval development</subject><subject>Moths</subject><issn>0022-8567</issn><issn>1937-2353</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1981</creationdate><recordtype>article</recordtype><recordid>eNotjVFLwzAUhYsoOKc_QcmjgoU0abrUNxnqhKng3JNIuW1utmjWlCTb9Hf5B-2Y9-Vyz3fOuQfJICv5KGVc8MNkQCljqRTF6Dg5CeGzP0U_g-T3FS1E41riNFkiKNJAF9YWydaouCTREdOGCJ4o3KB13Qrb2EvEgt8A7lJxicRDu8A-GtF3xvbsmkxwZSyuGyDOmo3pvWPXfKFHa8nlFDujXNfb4YbMIK59a4wCvCLvHYYYdr0LDyFYaFXY_XvGLXnCb9O4j9PkSIMNePa_h8n8_u5tPEmnLw-P49tpqjNOY5opRKFLBiVDTjUIlTHalDTntSy0KhpZ1hltclU3mc61ljmVvAZVCpBCKsWHyfm-9zNE56vOmxX4n4oJKvOM5T2_2HMNroKFN6Gaz7JSMjoShcgp_wNO3Hff</recordid><startdate>1981</startdate><enddate>1981</enddate><creator>Hansen, James D.</creator><creator>Owens, John C.</creator><creator>Huddleston, Ellis W.</creator><general>Kansas Entomological Society</general><scope>FBQ</scope></search><sort><creationdate>1981</creationdate><title>Relation of head capsule width to instar development in larvae of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae) [pests of grasslands in New Mexico]</title><author>Hansen, James D. ; Owens, John C. ; Huddleston, Ellis W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f130t-1dee5f92a92e30fa5d120c9043b86fd6c89b10c4dbc1f4ff84083bad95a858dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1981</creationdate><topic>Capsules</topic><topic>Caterpillars</topic><topic>Entomology</topic><topic>Insect larvae</topic><topic>Instars</topic><topic>Larvae</topic><topic>Larval development</topic><topic>Moths</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hansen, James D.</creatorcontrib><creatorcontrib>Owens, John C.</creatorcontrib><creatorcontrib>Huddleston, Ellis W.</creatorcontrib><collection>AGRIS</collection><jtitle>Journal of the Kansas Entomological Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hansen, James D.</au><au>Owens, John C.</au><au>Huddleston, Ellis W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Relation of head capsule width to instar development in larvae of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae) [pests of grasslands in New Mexico]</atitle><jtitle>Journal of the Kansas Entomological Society</jtitle><date>1981</date><risdate>1981</risdate><volume>54</volume><issue>1</issue><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>0022-8567</issn><eissn>1937-2353</eissn><abstract>A classification scheme for determining larval instars of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae), based on spine characteristics, is described. The scheme is tested favorably by plotting head capsule widths against the predicted instar. Head capsule growth approximately followed Dyar's rule, but a second degree polynomial equation (ln Y = -0.424 + 0.477X -$0.022{\rm X}^{2}$) more accurately described growth. Finally, a key for determining instars is developed from spine characteristics and head capsule widths.</abstract><pub>Kansas Entomological Society</pub><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-8567 |
| ispartof | Journal of the Kansas Entomological Society, 1981, Vol.54 (1), p.1-7 |
| issn | 0022-8567 1937-2353 |
| language | eng |
| recordid | cdi_jstor_primary_25084124 |
| source | JSTOR Archive Collection A-Z Listing |
| subjects | Capsules Caterpillars Entomology Insect larvae Instars Larvae Larval development Moths |
| title | Relation of head capsule width to instar development in larvae of the range caterpillar, Hemileuca oliviae Cockerell (Lepidoptera: Saturniidae) [pests of grasslands in New Mexico] |
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