Polymorphism in the deutonymph and adult of<i>Sennertia alfkeni</i>(Acari: Chaetodactylidae) associated with the large carpenter bee,<i>Xylocopa appendiculata circumvolans</i>(Hymenoptera: Apidae)

Okabe, Kimiko; Makino, Shio; Endo, Tomoji

doi:10.1080/00222930802105122

Cited by 7 publications

(13 citation statements)

References 25 publications

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“…Between X. a. circumvolans and the associated S. alfkeni , long evolutionary relationship has developed commensalistic interaction as host and symbiont; e.g. 1) the S. alfkeni synchronized its life cycle with that of the host for migration, reproduction and dispersal, 2) the bee does not get negative impact from the symbionts (Okabe et al . 2008).…”

Section: Discussionmentioning

confidence: 99%

“…Sennertia mites are phoretic as immature deutonymphs on adult host bees and are carried into host nests where they mate, reproduce, and feed as immatures until deutonymphal stage; the deutonymphs cling to emerging host bees to repeat the cycle anew (Lombert et al . 1987; Vicidomini 1996; Okabe et al . 2008).…”

Section: Introductionmentioning

confidence: 99%

“…2008). Ecological status of Sennertia mites during feeding stages inside host nest are mainly classified into two types: (i) pollen‐feeding cleptoparasite at early stage when pollen provisions for host larvae are abundant; and (ii) host waste scavenger at latter stage when pollen mass is consumed by host larva (Okabe et al . 2008).…”

Section: Introductionmentioning

confidence: 99%

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An alien Sennertia mite (Acari: Chaetodactylidae) associated with an introduced Oriental bamboo‐nesting large carpenter bee (Hymenoptera: Apidae: Xylocopa) invading the central Honshu Island, Japan

Kawazoe¹,

Okabe²,

Kawakita³

et al. 2010

Entomological Science

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Since 2006, an introduced Oriental bamboo‐nesting large carpenter bee, Xylocopa tranquebarorum, has been recorded from the central Honshu Island, Japan, which is inhabited only by the endemic subspecies, Xylocopa appendiculata circumvolans. Carpenter bees (tribes Xylocopini and Ceratinini) have ecological associations with specific Sennertia spp. in all geographic regions of their distribution, thus it is worried that the introduced carpenter bee has brought non‐indigenous mites into Japan. In their native ranges, X. a. circumvolans and X. tranquebarorum each has specific Sennertia mite faunas: the four Japanese Alloxylocopa bees including X. a. circumvolans have associations with S. alfkeni, while X. tranquebarorum has association with S. potanini in China (except Taiwan) and with S. horrida in South to East Asia including Taiwan. In the present study, we examined phoretic mite fauna on the introduced X. tranquebarorum, and determined whether the mites are indigenous or not based on morphological character and two gene sequences (mitochondrial cytochrome oxidase subunit I gene and nuclear ribosomal internal transcribed spacer). It was found from the result of this study that the non‐indigenous Sennertia mite has invaded Japan with the introduced X. tranquebarorum. We discuss geographic origin of the introduced X. tranquebarorum based on associated mite fauna and potential ecological risk caused by the introduced Xylocopa‐Sennertia association.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An alien Sennertia mite (Acari: Chaetodactylidae) associated with an introduced Oriental bamboo‐nesting large carpenter bee (Hymenoptera: Apidae: Xylocopa) invading the central Honshu Island, Japan

Kawazoe¹,

Okabe²,

Kawakita³

et al. 2010

Entomological Science

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“…Unlike mites associated with honeybees or stingless bees, synchronized life cycles of a scavenging mite, Sennertia alfkeni (Oudemans) and its host carpenter bee, X. appendiculata circumvolans (Smith), has been reported, although the mite can also grow to the dispersal stage (deutonymph) in the absence of the host (Okabe et al . ). Sennertia alfkeni is morphologically well adapted to be phoretic on the host: whereas larger deutonymphs use claws to grasp host hair during phoresy, smaller mites attach to the smooth surface of the host exoskeleton using their attachment organ (Okabe & Makino , ; Okabe et al .…”

Section: Introductionmentioning

confidence: 97%

“…; 15 Oldroyd & Wongsiri ; 16 Eickwort ; 17 Roubik ; 18 Michener ; 19 Okabe et al . ; 20 Phillipsen & Coppel 1977a; 21 Phillipsen & Coppel 1977b; 22 Schuster & Schuster ; 23 Kirkendall et al . ; 24 Okabe ; 25 Wilson & Knollenberg ; 26 Takaku et al .…”

Section: Introductionunclassified

Ecological characteristics of insects that affect symbiotic relationships with mites

Okabe

2013

Entomological Science

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Parasites and pathogens that begin as symbionts, i.e., organisms living together in the same habitat, are some of the most promising drivers of species evolution. Because insects are highly diverse and important as ecosystem service agents and because mites can exert large effects on insect populations (capable of killing at least juveniles), insect-mite interactions have been analyzed from various perspectives, including evolutionary, ecological and pest-management perspectives. Here, I review and examine insect-mite symbiotic associations to develop hypotheses concerning the factors that maintain and develop their relationships. Previous studies have hypothesized that insect sociality and mite richness and specificity affect insect-mite interactions. I found that both solitary and social insects, including parasocial and subsocial insects, harbor numbers of symbionts including species-specific ones but few dangerous mite symbionts in their nests or habitats under natural conditions. Nest size or the amount of food resources in a nest may affect mite richness. On the basis of this review, I hypothesize that the insect characteristics relevant for mite symbiotic hosting are sharing the same habitat with mites and living in a nutrient-rich habitat. I also suggest that many cases of species-specific symbiosis began with phoresy. To test these hypotheses, phylogenetic information on mites living with insect groups and quantitative analysis to characterize each insect-mite relationship are necessary.

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Recent cases of invasive alien mites and ticks in Japan: why is a regulatory framework needed?

2012

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Japan's economy depends on the importation of natural resources, and as a result, Japan is subjected to a high risk of biological invasion. Although Japan has quarantine systems to protect ecosystems, agriculture, forestry, fisheries, and human health against alien species, economic globalization has resulted in an ever-increasing risk of invasion. Mite invasion is no exception. Alien species that impact natural ecosystems are regulated in Japan by the Invasive Alien Species Act. However, the law focuses only on visibly recognizable species, so that species too small to see, such as viruses, bacteria, fungi, and mites, are beyond the scope of this law. The Plant Protection Law has limited the introduction of alien pests, including mites, that are harmful to agricultural crops. Recently, the liberalization of global trade policies have increased pressure to loosen regulations on various pests, including spider mites. Infectious diseases and their causative species are quarantined under the Rabies Prevention Law, the Domestic Animal Infectious Diseases Control Law, and the Human Infectious Diseases Control Law, but these laws do not cover wildlife diseases. The most serious problem is that wild reptiles, which can be carriers of ticks and tick-borne diseases, can be freely introduced to Japan. These loopholes in Japan's regulatory system have resulted in mite and tick invasions, which affect not only wildlife communities and human society but also endemism and biological diversity of natural mite populations.

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Polymorphism in the deutonymph and adult ofSennertia alfkeni(Acari: Chaetodactylidae) associated with the large carpenter bee,Xylocopa appendiculata circumvolans(Hymenoptera: Apidae)

Cited by 7 publications

References 25 publications

An alien Sennertia mite (Acari: Chaetodactylidae) associated with an introduced Oriental bamboo‐nesting large carpenter bee (Hymenoptera: Apidae: Xylocopa) invading the central Honshu Island, Japan

An alien Sennertia mite (Acari: Chaetodactylidae) associated with an introduced Oriental bamboo‐nesting large carpenter bee (Hymenoptera: Apidae: Xylocopa) invading the central Honshu Island, Japan

Ecological characteristics of insects that affect symbiotic relationships with mites

Recent cases of invasive alien mites and ticks in Japan: why is a regulatory framework needed?

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