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Online Submission:
Submission to this journal proceeds totally online. Use the following guidelines to prepare your article. Via the homepage of this journal ( http://www.elsevier.com/journals) you will be guided stepwise through the creation and uploading of the various files. The system automatically converts source files to a single Adobe Acrobat PDF version of the article, which is used in the peer- review process. Please note that even though manuscript source files are converted to PDF at submission for the review process, these source files are needed for further processing after acceptance. All correspondence, including notification of the Editor's decision and requests for revision, takes place by e-mail and via the Author's homepage, removing the need for a hard-copy paper trail.

The above represents a very brief outline of this form of submission. It can be advantageous to print "Guide for Authors" section from the site for reference in the subsequent stages of article preparation.

Graphical abstract:
Authors should supply a thumbnail image for all types of manuscripts. Articles accepted for publication will be featured via a copy of the article abstract together with a thumbnail image to direct people to the manuscript. An image that serves to illustrate the theme of the paper is desired. It can be a figure from the paper or a related image that typifies the content of the paper. Authors must supply the thumbnail image separately as an electronic file. The maximum final dimensions of the thumbnail image will be 5 cm x 5 cm. Please consider readability after reduction, especially if using one of the figures from the article itself.


Ideas for mini-reviews and special or thematic issues should be sent to either Editor:
Dr. S. Gill, University of California at Riverside, Entomology, 5451 Boyce Hall, Riverside CA, 92521, USA. E-mail: sarjeet.gill@ucr.edu.
Professor René Feyereisen, INRA, Centre de Sophia Antipolis, 400 route des Chappes, BP 167, 06903 Sophia Antipolis Cedex, France. E-mail: rfeyer@sophia.inra.fr

Submission of a paper implies that it has not been published previously, that it is not under consideration for publication elsewhere, and that if accepted it will not be published elsewhere in the same form, in English or in any other language, without the written consent of the publisher. Submission also implies that all authors have approved the paper for release and are in agreement with its content.

Types of Contributions
Papers should be in English and be original contributions to the fields of insect biochemistry and insect molecular biology. Short Communications and Mini-Review articles will be published. Most reviews will be written by invitation, however, unsolicited reviews will also be considered for publication if prospective authors first contact either one of the Editors to check the suitability of their proposed subject matter. Technique papers are not encouraged. Authors of reviews are paid $200 upon acceptance of their paper, and offered one free colour page.

Manuscript Preparation
General: See Guide to Online Submission ( http://authors.elsevier.com/jnlnr/390). Manuscripts must be double-spaced with wide margins, page numbers (mandatory) and line numbers (optional). A single corresponding author should be identified (include a Fax number and E-mail address). Note that the email address of the corresponding author will be used for all editorial correspondence, and ultimately for sending proofs. Full postal address must be given for all co-authors. Authors should consult a recent issue of the journal for style if possible. The Editors reserve the right to adjust style to certain standards of uniformity.

Language Polishing. Authors who require information about language editing and copyediting services pre- and post-submission please visit http://www.elsevier.com/wps/find/authorshome.authors/languagepolishing or contact authorsupport@elsevier.com for more information.
Please note Elsevier neither endorses nor takes responsibility for any products, goods or services offered by outside vendors through our services or in any advertising. For more information please refer to our Terms & Conditions http://www.elsevier.com/wps/find/termsconditions.cws_home/termsconditions.

Text: Follow this order when preparing manuscripts: Title, Authors, Affiliations, Abstract, Keywords, Main text, Acknowledgements, List of supplementary on-line material (if applicable), References, Illustrations, Figure Captions and then Tables and supplementary on-line material (if applicable). Do not import the Figures or Tables into your text. The corresponding author should be identified with an asterisk and footnote. Footnotes should be avoided and italics should not be used for emphasis.
• Key Words. A short list (5-8) of key words provided for rapid scanning of the contents of the paper and used for compiling the index.
• Introduction. This should contain a brief survey of the relevant literature and the reasons for doing the work.
• Materials and Methods. Sufficient information should be given to permit repetition of the experimental work.
• Results. These should be presented concisely. Only in exceptional cases will it be permissible to present the same set of results in both a table and a figure. Full details of replication of results and statistical significance of differences claimed should be given.
• Discussion. This should deal with the significance of the results and their relationship to the object of the work. Comparison with relevant published work should be made and conclusions drawn.
Only standard abbreviations should be used. Where specialised abbreviations are used the name should firstly be given in full with the abbreviation indicated in parentheses.
The recommendations of the latest edition of Enzyme Nomenclature (1973) Elsevier, Amsterdam, should be followed as far as possible including the use of EC numbers.
The Latin names should be given for all species used in the investigation.
Authors are required to deposit any novel nucleic acid sequences described in their paper to the GenBank database or the EMBL data library and report the accession number. Deposition of such data should be made either at the time of submission or, at the latest, after the paper has been accepted for publication.
Note that the information provided by the GenBank accessions (nucleotide sequence, deduced protein sequence, etc.) is extensive and often makes the presentation of a DNA sequence and its protein translation unnecessary as a figure in the manuscript.

Instructions for authors regarding GenBankIDNA sequence linking: Many Elsevier journals cite "gene accession numbers" in their running text and footnotes. Gene accession numbers refer to genes or DNA sequences about which further information can be found in the databases at the National Center for Biotechnical Information (NCBI) at the National Library of Medicine. Elsevier authors wishing to enable other scientists to use the accession numbers cited in their papers via links to these sources, should type this information in the following manner:
For each and every accession number cited in an article, authors should type the accession number in bold, underlined text . Letters in the accession number should always be capitalised. (See Example I below.) This combination of letters and format will enable Elsevier' typesetter to recognize the relevant texts as accession numbers and add the required link to GenBank's sequences.

Example I: "GenBank accession nos. A1631510 , A1631511 , A1632198 , and BF223228 ), a B-cell tumor from a chronic lymphatic leukemia (GenBank accession no. BE675048 ), and a T-cell lymphoma (GenBank accession no. AA361117 )".

Authors are encouraged to check accession numbers used very carefully. An error in a letter or number can result in a dead link.

In the final version of the printed article, the accession number text will not appear bold or underlined (see Example 2 below).

Example 2: "GenBank accession nos. A1631510, A163l51l, A1632198, and BF223228), a B-cell tumor from a chronic lymphatic leukemia (GenBank accession no. BE675048), and a T-cell lymphoma (GenBank accession no. AA36I 117)".

In the final version of the electronic copy, the accession number text will be linked to the appropriate source in the NCBI databases enabling readers to go directly to that source from the article (see Example 3 below).

Example 3: "GenBank accession nos. AI63 1510, AI631511, AI632198, and BF223228), a B-cell tumor from a chronic lymphatic leukemia (GenBank accession no. BE675048), and a T-cell lymphoma (GenBank accession no. AA361117)".

Abstract: This should be a brief summary of the contents and conclusions of the paper and should refer to any new information. It should not exceed 200 words and may be divided into numbered sections.

References: All publications cited in the text should be presented in a list of references following the text of the manuscript. In the text refer to the author's name (without initials) and year of publication (e.g. "Since Peterson (1993) has shown that ..." or "This is in agreement with results obtained later (Kramer 1994)". For three or more authors use the first author followed by "et al.", in the text. The list of references should be arranged alphabetically by authors' names. The manuscript should be carefully checked to ensure that the spelling of authors' names and dates are exactly the same in the text as in the reference list.
References should be given in the following form:

Mazumdar-Leighton, S., Babu, CR., Bennet, J., 2000. Identification of novel serine protease gene transcripts in the midguts of two tropical insects, Scirpophaga incertulas (Wk.) and Helicoverpa armigera (Hb.). Insect Biochem. Mol. Biol. 30, 57-68.

Elizur, A., Haupt, Y., Tearle, R.G., Howells, AJ., 1990. Gene and genome structure in Diptera: comparative molecular analysis of an eye colour gene in three species. In: Barker, J.S.F., Starmer, W.T., Macintyre, RJ. (Eds.), Ecological and evolutionary genetics of Drosophila. Plenum Press, New York, pp. 337-358.

The digital object identifier (DOI) may be used to cite and link to electronic documents. The DOI consists of a unique alpha-numeric character string which is assigned to a document by the publisher upon the initial electronic publication. The assigned DOI never changes. Therefore, it is an ideal medium for citing a document, particularly 'Articles in press' because they have not yet received their full bibliographic information. The correct format for citing the DOI is shown as follows: doi:l0.lOl6/j.jbmb.2005.Ol.007.
When you use the DOI to create URL hyperlinks to documents on the web, they are guaranteed never to change.

Illustrations: For information on how to prepare your artwork for electronic submission, see http://www.elsevier.com/artworkinstructions. Photographs, charts and diagrams are all to be referred to as "Figure(s)" and should be numbered consecutively in the order to which they are referred. They should accompany the manuscript, but should not be included within the text. All figures are to have a caption. Captions should be typed on a separate page.
Line Drawings: All lettering, graph lines and points on graphs should be sufficiently large and bold to permit reproduction when the diagram has been reduced to a size suitable for inclusion in the journal. Do not use any type of shading on computer-generated illustrations.
Colour illustrations: If, together with your accepted article, you submit usable colour figures then Elsevier will ensure, at no additional charge, these figures will appear in colour on the web (e.g., ScienceDirect and other sites) regardless of whether or not these illustrations are reproduced in colour in the printed version. For colour reproduction in print, you will receive information regarding the costs from Elsevier after receipt of your accepted article. For further information on the preparation of electronic artwork, please see http://www.elsevier.com/artworkinstructions. Please note: Because of technical complications which can arise by converting colour figures to 'grey scale' (for the printed version should you opt for colour in print) please submit in addition usable black and white versions of all the colour illustrations. The costs for exceptional colour plates may be waived at the discretion of the journal. Authors of review articles are entitled to one page of colour illustrations free of charge.

Tables: Tables should be numbered consecutively and given a suitable caption and each table typed on a separate page. Footnotes to tables should be typed below the table and should be referred to by superscript lowercase letters. No vertical rules should be used. Tables should not duplicate results presented elsewhere in the manuscript, (e.g. in graphs).

Supplementary material: submission on-line
Preparation of supplementary data. Elsevier now accepts electronic supplementary material (e-omponents) to support and enhance your scientific research. Supplementary files offer the Author additional possibilities to publish supporting applications, movies, animation sequences, high-resolution images, background datasets, sound clips and more. Supplementary flies supplied will be published online alongside the electronic version of your article in Elsevier Web products, including ScienceDirect: http://www.sciencedirect.com. In order to ensure that your submitted material is directly usable, please ensure that data is provided in one of our recommended file formats. Authors should submit the material in electronic format together with the article and supply a concise and descriptive caption for each file. For more detailed instructions please visit our artwork instruction pages at http://www.elsevier.com/artworkinstructions.

Short Communications: These should have a title page indicating "Short Communication" above the title, authors' names and affiliations, E-mail address and a statement of the number of words in the full text.
The article must not be preliminary but should describe significant and substantial new findings, be complete in itself and not be published at a later date in any greater detail. The article should be no more than 5000 words, including captions and references. No more than 4 display items (figures or tables) should be included, Short Communications may comprise supplementary on-line material.

Short Communications should contain an Abstract no longer than 200 words, an introductory paragraph, Materials and Methods. Results and Discussion, Acknowledgements, and References. An introductory paragraph should not contain any abbreviations and explains the rationale for work. Materials and Methods and Results and Discussion should not contain any subtitles. Materials and Methods should be brief and only novel techniques should be detailed. Results and Discussion should describe the results obtained in a clear and succinct manner, including interpretations and conclusions drawn by the authors, The authors may choose to merge these two sections into one. References should be in the style of the journal as detailed below and should not number more than 20.

Short Communications undergo the same thorough editorial review as regular research papers.

Proofs
Proofs will be sent to the corresponding author by PDF and should be returned within 48 hours of receipt. Corrections should be restricted to typesetting errors; and any other amendments made may be charged to the author. Any queries should be answered in full. Elsevier will do everything possible to get your article corrected and published as quickly and accurately as possible. Therefore, it is important to ensure that all of your corrections are returned to us in one all-inclusive e-mail or fax. Subsequent additional corrections will not be possible, so please ensure that your first communication is complete. Should you choose to mail your corrections, please return them to: Log-in Department, Elsevier Ltd, Stover Court, Bampfylde Street, Exeter, Devon EX1 2AH, UK.

Offprints
The corresponding author, at no cost, will be provided with a PDF file of the article via email or, alternatively, 25 free paper offprints. The PDF file is a watermarked version of the published article and includes a cover sheet with the journal cover image and a disclaimer outlining the terms and conditions of use. Additional paper offprints can be ordered by the authors. An order form with prices will be sent to the corresponding author. Late orders for reprints will incur a 50[] surcharge. Authors of reviews will receive one hundred (100) paper offprints free of charge.

Copyright
All authors must sign the "Transfer of Copyright" agreement before the article can be published. This transfer agreement enables Elsevier Ltd to protect the copyrighted material for the authors, but does not relinquish the author's proprietary rights. The copyright transfer covers the exclusive rights to reproduce and distribute the article, including reprints, photographic reproductions, microfilm or any other reproductions of similar nature and translations. Includes the right to adapt the article for use in conjunction with computer systems and programs, including reproduction or publication in machine-readable form and incorporation in retrieval systems.
Authors are responsible for obtaining from the copyright holder permission to reproduce any figures for which copyright exists.

US National Institutes of Health (NIH) voluntary posting ("Public Access") policy
Elsevier facilitates author response to the NIH voluntary posting request (referred to as the NIH "Public Access Policy"; see http://publicaccess.nih.gov/) by posting the peer-reviewed author's manuscript directly to PubMed Central on request from the author. 12 months after formal publication. Upon notification from Elsevier of acceptance, we will ask you to confirm via e-mail (by e-mailing us at NlHauthorrequest@elsevier.com) that your work has received NIH funding and that you intend to respond to the NIH policy request, along with your NIH award number to facilitate processing. Upon such confirmation, Elsevier will submit to PubMed Central on your behalf a version of your manuscript that till in/htd peer-review comments, for posting 12 months after formal publication. This will ensure that you will have responded fully to the NIH request policy. There will be no need for you to post your manuscript directly with PubMed Central, and any such posting is prohibited.

Authors' rights
As an author you (or your employer or institution) may do the following:

• make copies (print or electronic) of the article for your own personal use, including for your own classroom teaching use
• make copies and distribute such copies (including through e-mail) of the article to research colleagues, for the personal use by such colleagues (but not commercially or systematically, e.g., via an e-mail list or list server)
• post a pre-print version of the article on Internet websites including electronic pre-print servers, and to retain indefinitely such version on such servers or sites
• post a revised personal version of the final text of the article (to reflect changes made in the peer review and editing process) on your personal or institutional website or server, with a link to the journal homepage (on http://www.elsevier.com/locate/ibmb)
• present the article at a meeting or conference and to distribute copies of the article to the delegates attending such a meeting
• for your employer, if the article is a 'work for hire', made within the scope of your employment, your employer may use all or part of the information in the article for other intra-company use (e.g., training)
• retain patent and trademark rights and rights to any processes or procedure described in the article
• include the article in full or in part in a thesis or dissertation (provided that this is not to be published commercially)
• use the article or any part thereof in a printed compilation of your works, such as collected writings or lecture notes (subsequent to publication of your article in the journal)
• prepare other derivative works, to extend the article into book-length form, or to otherwise re-use portions or excerpts in other works, with full acknowledgement of its original publication in the journal.

Author enquiries
For enquiries relating to the submission of articles please visit this journal's homepage at http://www.elsevier.com/locate/ibmb. You can track accepted articles at http://www.elsevier.com/trackarticle and set up emails alerts to inform you of when an article's status has changed, as well as copyright information, frequently asked questions and more.

Contact details for questions arising after acceptance of an article, especially those relating to proofs, are provided after registration of an article for publication.

Insect Biochemistry and Molecular Biology has no page charges

Sponsored Articles:
Insect Biochemistry and Molecular Biology offers authors or their institutions the option to sponsor non-subscriber access to their articles on Elsevier's electronic publishing platforms. For more information please click here.