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E D Morgan

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Articles 59
Citations 293
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Recent Articles
1.
Attygalle A, Morgan E
J Chem Ecol . 2013 Dec; 10(10):1453-68. PMID: 24318345
The trail pheromone of the antTetramorium caespitum L. is a 70∶30 mixture of 2,5-dimethylpyrazine and 3-ethyl-2, 5-dimethylpyrazine. The average total amount of the two pyrazines present in the poison vesicle...
2.
Billen J, Evershed R, Attygalle A, Morgan E, Ollett D
J Chem Ecol . 2013 Dec; 12(3):669-85. PMID: 24306907
The Dufour glands of worker ants of Tetramorium caespitum, and the morphologically similar T. impurum are filled with similar, but species-specific mixtures of linear hydrocarbons and three homologous sesquiterpene corhpounds....
3.
Hem L, Khay S, Choi J, Morgan E, Abd El-Aty A, Shim J
Toxicol Res . 2013 Nov; 26(2):149-55. PMID: 24278518
The pesticide trichlorfon is readily degraded under experimental conditions to dichlorvos. A method has therefore been developed by which residues of trichlorfon in milk are determined as dichlorvos, using gas...
4.
Jackson B, Billen J, Morgan E
J Chem Ecol . 2013 Nov; 15(8):2191-205. PMID: 24272380
Chemical investigation of the Dufour gland contents of three species ofMyrmecia by GC and GC-MS showed thatM. gulosa andM. nigriceps contain predominantly linear hydrocarbons, whereasM. pilosula contains acetates, aldehydes, and...
5.
Jackson B, Cammaerts M, Morgan E, Attygalle A
J Chem Ecol . 2013 Nov; 16(3):827-40. PMID: 24263598
The Dufour gland ofManica rubida contains a simple mixture of (Z, E)-α-farnesene and (Z, E)-α-homofarnesene with tiny amounts of other faraesene, homofarnesene, and bishomofarnesene isomers. The gland also contains a...
6.
Morgan E, Jackson B, Ollett D, Sales G
J Chem Ecol . 2013 Nov; 16(12):3493-510. PMID: 24263444
The major component of the trail pheromone ofT. impurum is methyl 2-hydroxy-6-methylbenzoate (methyl 6-methyl salicylate). The poison reservoir of each worker contains about 1.0 ng of this substance in the...
7.
Bagneres A, Morgan E
J Chem Ecol . 2013 Nov; 16(12):3263-76. PMID: 24263428
Cuticular hydrocarbons from tiny pieces of insect cuticle can be analyzed directly by gas chromatography without solvent. The cuticle, sealed in a glass capillary, is introduced into the heated injector...
8.
Jackson B, Keegans S, Morgan E, Clark W, Blom P
J Chem Ecol . 2013 Nov; 17(2):335-42. PMID: 24258729
An undescribed species ofMyrmica collected in Idaho has been shown to have the same substances in its mandibular glands (3-octanol and 3-octanone and related 3-alkanols and 3-alkanones) and in its...
9.
Bagneres A, Billen J, Morgan E
J Chem Ecol . 2013 Nov; 17(8):1633-9. PMID: 24257886
The Dufour glands of workers ofDorylus (Anomma) molestus contain chiefly linear alkenes and alkanes, with (Z)-9-tricosene and tricosane representing over 70%. The glands are relatively small with some indication of...
10.
Morgan E, Holldobler B, Vaisar T, Jackson B
J Chem Ecol . 2013 Nov; 18(12):2161-8. PMID: 24254864
The poison gland, which is the source of the trail pheromone inDaceton armigerum, contains a mixture of dimethylpyrazine, trimethylpyrazine and 3-ethyl-2,5-dimethylpyrazine in approximately equal proportions, similar to that of the...