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- Nijs, Catherine; Billen, Johan
- Arthropod structure & development 2015 v.44 no.5 pp. 433-443
- Vespula vulgaris; chemical analysis; cleaning; exocrine glands; legs; males; social insects; surveys
- ... This study brings a survey of the exocrine glands in the legs of Vespula vulgaris wasps. We studied workers, males, virgin queens as well as mated queens. A variety of 17 glands is found in the different leg segments. Among these, five glands are novel exocrine structures for social insects (trochanter-femur gland, ventrodistal tibial gland, distal tibial sac gland, ventral tibial gland, and ventr ...
- Krueger, Stephanie; Subramanian, Sevgan; Niassy, Saliou; Moritz, Gerald B.
- Arthropod structure & development 2015 v.44 no.5 pp. 455-467
- Euphorbia pulcherrima; Frankliniella occidentalis; Megalurothrips sjostedti; aggregation pheromones; beans; flowers; light microscopy; males; transmission electron microscopy; ultrastructure
- ... Sternal pores are important features for identification of male thrips, especially within the subfamily Thripinae. They vary in shape, size and distribution even between species of one genus. Their functional role is speculated to be that of sex- and/or aggregation pheromone production. Yet, sexual aggregations are not reported in Echinothrips americanus, known to have sternal pores, while we obse ...