Reproductive Behavior of Thyanta pallidovirens (Heteroptera: Pentatomidae)

Wang, Qiao; Millar, Jocelyn G.

doi:10.1093/aesa/90.3.380

Cited by 69 publications

(47 citation statements)

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“…This result is consistent with studies of Drosophila and pentatomid bugs (Wang & Millar 1997;Snook 1998). From the perspective of sperm competition the result seems counter-intuitive since we might expect males to increase their copula duration with non-virgin females.…”

Section: Discussionsupporting

confidence: 89%

Sperm competition games played by dimorphic male beetles: fertilization gains with equal mating access

Tomkins

Simmons

2000

Proc. R. Soc. Lond. B

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Alternative mating tactics can generate asymmetry in the sperm competition risk between males within species. Theory predicts that adaptations to sperm competition should arise in males facing the greater risk. This prediction is met in the dung beetle Onthophagus binodis where minor males which sneak copulations have a greater expenditure on the ejaculate. In its congener Onthophagus taurus there is a reduced asymmetry in sperm competition risk such that both tactics have equal ejaculate expenditure. We used the irradiated male technique to test whether adaptations to sperm competition in minor males result in higher paternity. We found that for both species, on average, each of two males gained equal numbers of fertilizations, con¢rming the assumption that sperm compete in a ra¥e. There were no di¡erences in the sperm competition success of major and minor males in O. taurus as predicted from their equal expenditure on their ejaculate. Contrary to expectations, there were also no di¡erences in fertilization success between the male tactics in O. binodis. Thus, in O. binodis minor males must expend more on their ejaculate in order to obtain the same fertilization gains as major males.

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Section: Discussionsupporting

confidence: 89%

Sperm competition games played by dimorphic male beetles: fertilization gains with equal mating access

Tomkins

Simmons

2000

Proc. R. Soc. Lond. B

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“…Thus, the laying of eggs on other surfaces might be much less common in the field than in the laboratory. The laying of a substantial proportion of the egg clusters in sheltered locations, or on surfaces other than a host plant, is also recorded by Dzerefos et al (2009) and Wang & Millar (1997) for captive Encosternum delegorguei Spinola, 1852 (Hemiptera: Tessaratomidae) and Thyanta pallidovirens Stål, 1859 (Hemiptea: Pentatomidae). In both cases this behaviour was only briefly described and not considered further, because egg laying was not the focus of these studies.…”

Section: Discussionsupporting

confidence: 57%

“…We suspect that CB females need to mate frequently, as reported for other species (Wang & Millar, 1997;Cônsoli et al, 2010;Silva et al, 2012), and this might account for why male and female adults tend to stay in close proximity to one another and form large aggregations on plants.…”

Section: Discussionmentioning

confidence: 69%

Development, reproduction, host range and geographical distribution of the variegated caper bug Stenozygum coloratum (Hemiptera: Heteroptera: Pentatomidae)

Samra¹,

Ghanim²,

Protasov³

et al. 2015

Eur. J. Entomol.

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Tams, 1924 (Lepidoptera: Notodontidae). In this study various aspects of the life history of CB were studied, including its distribution, host range, development, reproduction and ability to develop on various cultivated species of plants. CB occurs in almost all areas and habitats in Israel, except in the coldest regions, attacking several caper species (Capparis spp.). When reared on Capparis zoharyi at 25°C, one generation lasted 6 weeks and females laid a single 12-egg cluster every 3 days. Decreases in temperature, but not changes in day length, terminated reproductive activity. CB nymphs survived for up to three months, or even completed their development, on some agricultural plants. However, reproductive activity was initiated only if adults were fed capers. These findings emphasize the importance of capers in the CB life cycle and account for why other plants are rarely attacked. These plants may serve as a temporary refuge for CB when capers are scarce or unsuitable, mainly late in the season. Morphology of developmental stages, egg deposition, cannibalistic behaviour, sex ratio and effects of temperature on egg production were also studied. The possibility of using CB for enhancing the biological control of PPM is discussed.

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“…The preference of T. brochymenae for mated females of M. histrionica has been correlated with the sperm and other substances transferred during mating. This fact has been observed also in protracted mating in other species belonging to the same family (Wang & Millar 1997, Ho & Millar 2001.…”

Section: Discussionmentioning

confidence: 55%

Ultrastructural and functional aspects of the spermatheca in the american harlequin bug, Murgantia histrionica (Hemiptera: Pentatomidae)

Stacconi¹,

Romani²

2011

Neotrop. entomol.

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The spermatheca of Murgantia histrionica (Hahn) was investigated using luorescence, scanning and transmission electron microscopy. The aim of the study was to elucidate the structure of this organ, pointing out differences between mated and unmated females. Results have shown an elaborated cuticular structure associated with muscular and glandular tissues. The spermatheca is joined with the common oviduct by the spermathecal duct, forming a thin saccular dilation through two consecutive invaginations. The distal part of the organ is formed by a series of two communicating cuticular chambers. The irst cylindrical-shaped chamber, corresponding to the coiled region, is wrapped by longitudinal muscular ibers suspended between two cuticular langes. The contractions of these ibers compress a deformable zone of the cylinder, pumping the sperm toward the spermathecal duct. Without contractions the cylinder results to be isolated from the proximal part of the spermatheca by means of a valve. The second chamber, corresponding to the spermatheca, is made of two parts: a truncated-conical sub chamber, with a constant cuticular thickness, bearing on itself the distal lange, where muscular ibers are attached. The second part is a bulb-like structure wrapped in a glandular epithelium. The secretory units are composed by two cells: a secretory cell and an associated duct cell. Every evacuating duct shows a little reservoir just after the terminal apparatus, and converge inside the distal bulb after a tortuous path. The functional implications of this structure in the reproductive biology of M. histrionica are discussed.

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Reproductive Behavior of Thyanta pallidovirens (Heteroptera: Pentatomidae)

Cited by 69 publications

References 0 publications

Sperm competition games played by dimorphic male beetles: fertilization gains with equal mating access

Sperm competition games played by dimorphic male beetles: fertilization gains with equal mating access

Development, reproduction, host range and geographical distribution of the variegated caper bug Stenozygum coloratum (Hemiptera: Heteroptera: Pentatomidae)

Ultrastructural and functional aspects of the spermatheca in the american harlequin bug, Murgantia histrionica (Hemiptera: Pentatomidae)

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