Shichang Zhang

Shichang Zhang
Hubei University · School of Life Sciences

PhD, National University of Singapore, Singapore

About

44
Publications
28,554
Reads
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435
Citations
Additional affiliations
July 2017 - July 2017
Hubei University
Position
  • Professor
July 2017 - November 2018
Hubei University
Position
  • Professor (Associate)
March 2014 - July 2015
Tunghai University
Position
  • PostDoc Position

Publications

Publications (44)
Article
Full-text available
When sexual conflict selects for reproductive strategies that only benefit one of the sexes, evolutionary arms races may ensue. Female sexual cannibalism is an extreme manifestation of sexual conflict. Here we test two male mating strategies aiming at countering sexual cannibalism in spiders. The “better charged palp” hypothesis predicts male selec...
Article
In the animal world, numerous mechanisms have been described that allow for extremely fast actions or reactions via the slow storage of energy, typically in elastic structures, which is then nearly instantly released1, 2, 3, 4, similar to the operation of a catapult. Many of these mechanisms are employed for prey capture¹,² or for predator avoidanc...
Article
Full-text available
Although camouflage as an effective antipredator defence strategy is widespread across animals, highly conspicuous color patterning is not uncommon either. Many orb-web spiders adorn their webs with extra, bright white silk. These conspicuous decorations are hypothesized to deter predators by warning the presence of sticky webs, camouflaging spider...
Article
Selection imposed by visually-hunting predators has driven the evolution of colour-based antipredator defence strategies such as crypsis, masquerade, mimicry and aposematism. Individuals of many animals are generally considered to rely on a single type of defence strategy, but individuals of some species use multiple colour-based defences. Many ani...
Article
Full-text available
Sexual conflict is common in animals, and female sexual cannibalism represents an extreme form of sexual conflict. Males in many species have evolved a variety of strategies to circumvent or decrease the risk of female sexual cannibalism. Opportunistic mating, by which a male mates with a female when she is disturbed or when she is feeding or under...
Article
Full-text available
Decorating behavior is common in various animal taxa and serves a variety of functions from camouflage to communication. One predominant function cited for decoration is to avoid predators. Conspicuous, disc-like (discoid) silk decorations spun by orb-web Argiope juvenile spiders are hypothesized, among others, to defend spiders against visual pred...
Article
Elevated CO2 concentrations can change the multi-level nutritional relationship of the ecosystem through the cascading effect of the food chain. To date, few studies have investigated the effects of elevated CO2 concentration on the Araneae species through the tritrophic system. Hylyphantes graminicola (Araneae: Linyphiidae) is distributed widely i...
Article
Full-text available
Insects’ intestinal microbes have profound effects on the host's physiological traits, which can impact their physiology at both the local (gut) and systemic (body) levels. Nevertheless, the molecular mechanisms underlying host‐microbiota interactions, especially in non‐model insects, remain elusive. Recently, Tissue‐specific transcriptomic analysi...
Article
Elevated CO2 concentrations can change the multi-level nutritional relationship of the ecosystem through the cascading effect of the food chain. To date, few studies have investigated the effects of elevated CO2 concen�tration on the Araneae species through the tritrophic system. Hylyphantes graminicola (Araneae: Linyphiidae) is distributed widely...
Article
Full-text available
Prey proteins and lipids greatly impact predator life-history traits. However, life-history plasticity offers predators the opportunity to tune the life-history traits in response to the limited macronutrients to allocate among traits. A fast-growing predator species with a strict maturation time may be prone to nutritionally imbalanced prey. Here...
Article
Full-text available
Prey vary dramatically in quality, and maternal diet is generally assumed to substantially influence offspring survivorship, growth, and reproduction in spiders. Numerous studies that have tested this hypothesis have focused exclusively on parental generation or have considered relatively few fitness components of juvenile offspring. However, mater...
Article
Full-text available
A number of strategies that divert attacks of visually guided predators, such as birds, have evolved multiple times in animals. Detritus web decorations built by certain orb‐web spider species are thought to deflect avian predator attacks away from spiders and towards their web decorations. Still, empirical evidence for this function and its adapti...
Article
Full-text available
Spider silks are protein-based fibers that are incorporated into webs with the unique combination of high mechanical toughness and resistance to microbial degradation. While spiders are undoubtedly exposed to saprophytic microorganisms in their native habitats, such as the forest understory and bush, their silks have rarely been observed to decompo...
Article
Full-text available
Mating may change a male’s behaviour by increasing its motivation to engage in a contest, and enabling it to win in subsequent male–male contests. To test this hypothesis, we recorded male contests in the wolf spider, Venonia coruscans (Araneae: Lycosidae), testing a male’s motivation to fight under three different resource value conditions. First,...
Article
Full-text available
Ultraviolet (UV; wavelengths: 280–400 nm) coloration has been shown to be an important visual signal but has not been studied in conjunction with other signals such as vibratory signals previously. Here, we investigated multimodal signaling function in the visual and substrate-borne vibratory modalities of the UV-ornamented jumping spider Cosmophas...
Article
Full-text available
Lactation is a mammalian attribute, and the few known nonmammal examples have distinctly different modalities. We document here milk provisioning in a jumping spider, which compares functionally and behaviorally to lactation in mammals.The spiderlings ingest nutritious milk droplets secreted from the mother’s epigastric furrow until the subadult st...
Article
Full-text available
Visual signals are widely used by animals in foraging, mating and predator avoidance. Body coloration plays an important role in the reproductive behavioural interactions of many diurnal animal species; however, its role in the courtship of nocturnal species has received little attention. We investigated the role of conspicuous body coloration, a w...
Chapter
Full-text available
Web building has been such a highly successful foraging innovation among spiders that the vast majority of extant spiders are web builders. The structure of spider webs varies substantially between species, and web building has even been lost completely in some clades. Examples of different web forms include the classic orb webs, which may be orien...
Article
Full-text available
Animals that use deceptive visual signals to attract prey often employ colour mimicry or bioluminescence but less commonly self-excreted lures. The conspicuous web decorations and silks of some web-building spiders have been shown to visually lure prey in the daytime. However, it remains unknown whether spider webs can also lure prey at night with...
Article
Full-text available
While molting occurs in the development of many animals especially in arthropods, post-maturity molting (PMM, organisms continue to molt after sexual maturity) has received little attention. Mechanism of molting has been studied intensively, however, the mechanism of PMM remains unknown although it is suggested to be crucial for the development of...
Chapter
Full-text available
Spiders are using different silks to achieve a variety of tasks. Spider silks might be the toughest natural material, and therefore they serve as model polymers for the development of biomimetic fibers with extraordinary mechanical performance. Spider silks with pliable mechanical properties are indispensable for designing and manufacturing biomime...
Article
Full-text available
Body coloration serves a variety of purposes in animals. Diurnal and nocturnal predators such as spiders may use their body coloration to lure prey. We predicted here that the white patches on the forelegs on females of the nocturnal semi-aquatic spider Dolomedes raptor lure prey, explaining why they are primarily displayed when the spider forages...
Article
Full-text available
Chemoreception is a key feature in selection of host plant by phytophagous insects, and odorant-binding proteins (OBPs) are involved in chemical communication of both insects and vertebrates. The legume pod borer, Maruca vitrata Fabricius (Lepidoptera: Crambidae) is one of the key pest species of cowpea and widely distributed throughout tropical an...
Article
Full-text available
Nocturnal animals frequently possess seemingly conspicuous colour patterns that can function in a variety of ways (e.g. prey attraction, camouflage, predator avoidance, etc.). The use of colour patterns in intraspecific signalling, especially reproductive activities, in nocturnal animals has received relatively little attention. This study tested f...
Article
Full-text available
Body coloration has been known to play an important role in animal visual communication. Attraction of prey by visual signals, such as bright body coloration, has been mainly observed in diurnal predators. For nocturnal cursorial predators, however, this foraging tactic has been largely ignored, because one would not expect it to occur under low am...
Article
Full-text available
The role of background matching in camouflage has been extensively studied. However, contour modification has received far less attention, especially in twig-mimicking species. Here, we studied this deceptive strategy by revealing a special masquerade tactic, in which the animals protract and cluster their legs linearly in the same axis with their...
Article
Full-text available
Sexually selected ornaments and signals are costly to maintain if they are maladaptive in nonreproductive contexts. The jumping spider Cosmophasis umbratica exhibits distinct sexual dichromatism with males displaying elaborate UV body markings that signal male quality. Female C. umbratica respond favorably to UV-reflecting males and ignore males th...
Article
The role of background matching in camouflage has been extensively studied. However, contour modification has received far less attention, especially in twig-mimicking species. Here, we studied this deceptive strategy by revealing a special masquerade tactic, in which the animals protract and cluster their legs linearly in the same axis with their...
Article
Full-text available
Emasculation—males becoming effectively sterile by self-removing their genitals—has long been considered a peculiar evolutionary phenomenon with unknown function, taxonomically restricted to few spiders and flies. In spiders, emasculation results in half or full eunuchs when males sever one or both sperm transferring organs, palps. Three types of e...
Article
Full-text available
Nephila are known for the greatest degrees of sexual size dimorphism among orb weaving spiders (Araneoidea) and thus among terrestrial animals. However, a meaningful quantification of the dimorphism is lacking and the proximate developmental mechanisms of female gigantism are poorly understood, being attributed solely to female delayed maturation....
Article
Full-text available
Developmental characteristics of the predatory bug Orius similis fed on Tetranychus cinnabarinus were investigated at three constant temperatures (25, 28, and 31oC) under laboratory conditions (75 ± 5% relative humidity and a 14L: 10D photoperiod). The survival of nymphs was highest at 28oC (75.57%) and at this temperature female adults O. similis...
Article
Full-text available
Males usually produce mating plugs to reduce sperm competition. However, females can conceivably also produce mating plugs in order to prevent unwanted, superfluous and energetically costly matings. In spiders-appropriate models for testing plugging biology hypotheses-mating plugs may consist of male genital parts and/or of amorphous covers consist...
Data
Nephila pilipes mating: male approach followed by unsuccessful insertion attempt. (MPG)
Data
Nephila pilipes mating: male successful insertion. (MPG)
Data
Nephila pilipes mating: male performing mate-binding in-between insertion attempts. (MPG)
Article
To counter female resistance to mating and cannibalism, males of many animal species have evolved a variety of behavioural adaptations. Here we investigated a novel copulatory courtship behaviour, mate binding, in which the male deposits fine silk onto the female's body in between copulation bouts, in an orb-web nephilid spider, Nephila pilipes. We...
Article
Full-text available
Spider webs are made of silk, the properties of which ensure remarkable efficiency at capturing prey. However, remaining on, or near, the web exposes the resident spiders to many potential predators, such as ants. Surprisingly, ants are rarely reported foraging on the webs of orb-weaving spiders, despite the formidable capacity of ants to subdue pr...
Article
Genital amputation, that is, genital damage or loss, seems maladaptive because it renders the amputee functionally sterile, but is nevertheless common in sexually dimorphic spiders. In these species, male genital amputation correlates with plugging of female genitals and with sexual cannibalism. Genital amputation in male spiders may be partial or...
Article
Full-text available
The biological activity of essential oil extracted from coriander, Coriandrum sativum L. (Apiaceae) against eggs, larvae and adults of Tribolium castaneum (Herbst) was investigated in a series of laboratory experiments. Bioassays conducted in air-tight glass chambers showed vapour toxicity and strong repellency on filter paper arena test towards al...
Article
Full-text available
The larval behaviors probably associated with respiration are reported in different larval instars of Luciola substriata Gorham (Coleoptera: Lampyridae). The behavior involved exposing eighth abdominal segment with spiracles to the atmosphere when swim behavior occurred to 1st–2nd and 3rd–6th instar larvae. In addition, 3rd–6th instar larvae expose...

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Projects

Projects (2)
Project
to test whether visual and chemical bird dropping masquerading exists in animal kingdom, and whether this visual and chemical masquerade functions to avoid predators or attract prey
Project
Explore mating strategies of male spiders and sexual conflict of spiders.