Exocrine glands in the legs of the social wasp Vespula vulgaris

Nijs, C. De; Billen, Johan

doi:10.1016/j.asd.2015.08.011

Cited by 14 publications

(20 citation statements)

References 35 publications

(64 reference statements)

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“…Pores similar to the ‘openings of Nassonov's glands’ are present in females of Strepsiptera (Stylopidae and Xenidae) (Löwe et al, 2016; Richter et al, 2017). Numerous Class III glands are described in Hymenoptera, which are reported as ‘duct openings’ on all parts of the legs of Vespula vulgaris (Linnaeus, 1758) (Vespidae) (Nijs & Billen, 2015). According to Ma and Ramaswamy (2003) Dufour's gland, mandibular and labial glands in the Hymenoptera are also Class III glands.…”

Section: Discussionmentioning

confidence: 99%

Female calling, life cycle, and microstructures of the parasitic beetle Ripidius quadriceps Abeille de Perrin

Batelka

Straka

Vávra³

et al. 2021

Journal of Morphology

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The precopulatory behaviour of the larviform females of Ripidius quadriceps Abeille de Perrin, 1872 is described. The calling posture of virgin females is documented. The cephalic morphology and microstructures are visualised using scanning electron microscopy, in particular the secretory pores in the cuticle of inflatable maxillary palps. An exhaustive overview of relevant publications revealed that the location of secretory pores on the head of females is unique within the order Coleoptera. Compared to other beetles with sedentary calling females, the calling phase of the short‐lived and non‐feeding female of Ripidius is exceptionally short. For bioassays, various traps using virgin females of Ripidius were tested. It is likely that the sedentary behaviour of the short‐lived female combined with a unique morphology and priority for investing in reproduction is compensated for by the actively flying males with remarkably flabellate antennae. The life cycle of this species, including some of the exceptions recorded at the individual level, is discussed. Perspectives for a biological and morphological survey of this rarely collected western Palaearctic species are outlined. In addition, the calling behaviour, secretory sites and location of pheromone glands in females of Coleoptera producing long range pheromones is reviewed.

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Section: Discussionmentioning

confidence: 99%

Female calling, life cycle, and microstructures of the parasitic beetle Ripidius quadriceps Abeille de Perrin

Batelka

Straka

Vávra³

et al. 2021

Journal of Morphology

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“…Although such ventral groove does exist (see also Fig. 5), it does not provide any connection between the arolium gland and the exterior (Billen, 1986, Nijs and Billen, 2015 for wasps; Jarau et al, 2005 for stingless bees; Billen, 2009 for ants). Orivel et al (2001) show suggestive scanning micrographs of balloon-like ‘arolium gland secretion’, which should be considered as artefacts, as real secretion of this kind would not be visible following SEM tissue preparation.…”

Section: Discussionmentioning

confidence: 99%

Pretarsus structure in relation to climbing ability in the ants Brachyponera sennaarensis and Daceton armigerum

Billen

Al‐Khalifa

Silva

2017

Saudi Journal of Biological Sciences

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We studied the external and internal pretarsus structure of the ants and in relation to their very different climbing ability. is a ground-dwelling species that is not able to climb vertical smooth walls. They have a pair of straight pretarsal claws with an average claw tip angle of 56 degrees, while the ventral tarsal surface lacks fine hairs that touch the substrate. They have no adhesive pad on the vestigial arolium, while the arolium gland is very small., on the other hand, is an arboreal and thus well-climbing species with a very strong grip on the substrate. Their pretarsal claws are very hooked, with a claw tip angle around 75 degrees. They have dense arrays of fine hairs on the ventral tarsal surface, a well-developed arolium and arolium gland. These clearly different morphological characteristics are in line with the opposite climbing performance of both species.

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“…a Cross section of the monolayer of big secretory cells separating the lumen of the gland (asterisk) from the outer compartment (OC) with haemolymph (HE). Note the big nucleus (N), the basal membrane forming numerous long infoldings (basal labyrinth) (IN), the apical long microvilli (VI), the high amount of mitochondria (M) The tarsal gland of C. marginatus is morphologically similar to the tarsal gland of Diptera (Bauchhenss 1979) and to the arolium gland of Hymenoptera (Federle et al 2001;Jarau et al 2005;Nijs and Billen 2015;Billen et al 2017). Also in these cases, there is an outer and inner compartments, and the unguitractor tendon is in contact with the gland.…”

Section: The Tarsal Gland the Production Of Adhesive Fluid And The Fmentioning

confidence: 99%

Attachment devices and the tarsal gland of the bug Coreus marginatus (Hemiptera: Coreidae)

et al. 2021

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The present ultrastructural investigation using scanning and transmission electron microscopy as well as light and fluorescence microscopy describes in detail the attachment devices and tarsal gland of the bug Coreus marginatus (L.) (Hemiptera: Coreidae). In particular, the fine structure of pulvilli reveals a ventral surface rich with pore channels, consistent with fluid emission, and a folded dorsal surface, which could be useful to enhance the pulvillus contact area during attachment to the substrate. The detailed description of the tarsal gland cells, whose structure is coherent with an active secretory function, allows us to consider the tarsal gland as the plausible candidate for the adhesive fluid production. Scolopidia strictly adhering to the gland cells are also described. On the basis of the fine structure of the tarsal gland, we hypothesise a fluid emission mechanism based on changes of the hydraulic pressure inside the gland, due to the unguitractor tendon movements. This mechanism could provide the fluid release based on compression of the pad and capillary suction, as demonstrated in other insects. The data here reported can contribute to understanding of insect adhesive fluid production, emission and control of its transport.

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Exocrine glands in the legs of the social wasp Vespula vulgaris

Cited by 14 publications

References 35 publications

Female calling, life cycle, and microstructures of the parasitic beetle Ripidius quadriceps Abeille de Perrin

Female calling, life cycle, and microstructures of the parasitic beetle Ripidius quadriceps Abeille de Perrin

Pretarsus structure in relation to climbing ability in the ants Brachyponera sennaarensis and Daceton armigerum

Attachment devices and the tarsal gland of the bug Coreus marginatus (Hemiptera: Coreidae)

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