Nesting biology and life cycle of Nomia (Acunomia)chalybeata Smith on Iriomote Island, southernmost Archipelago of Japan, with notes on the simultaneous occurrence of diapausing and non-diapausing prepupae within the same nests (Hymenoptera: Halictidae)

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Nesting biology and life cycle of Nomia (Acunomia)chalybeata Smith on Iriomote Island, southernmost Archipelago of Japan, with notes on the simultaneous occurrence of diapausing and non-diapausing prepupae within the same nests (Hymenoptera: Halictidae)

Md. Abdul Hannan [et al.] - Nama Orang;

Nesting biology of the nomiine bee, Nomia (Acunomia) chalybeata Smith, was studied in Iriomote Island, Japan (N2415–250) in 2003 and 2004. Its nesting period extended for 6 months from around the end of April to October. The nest aggregation was found in clay soil under shady conditions. Twenty nests/m2 were present at the highest density spot. Brood numbers in solitary nests were 5–20 (mean ± SD: 11.8 ± 4.7, n= 14), and in communal nests 12–101 (43.0± 41.0,
n = 3). Each brood cluster in communal nests contained 0–32 brood cells (10.1± 8.0, n= 13), suggesting
that each cohabitant provisioned independently own brood cells. At least 2 and partially 3 generations were estimated to occur in the year; however each nest produced simultaneously nondiapausing and diapausing prepupae. The percent rate of diapausing prepupae differed seasonally, and was 20.0–37.5% (30.3 ±7.5%, n= 3) in overwintered generation and 0–100% (50.0± 39.8%,n = 9) in first generation, suggesting that the rate of production of dormant prepupae increased toward the later activity season. Production of the diapausing prepupae may function potentially to inhabit widely throughout different climatic zones. Female ratio (females/females + males) in overwintered
generation was 0.347 (50/144). Nest architecture, occurrence of communal nests and breaking of prepupal diapause are also mentioned.

KEYWORDS
Nesting biology;Nest aggregation;Brood numbers per nest;Simultaneous production of diapausing and non-diapausing
prepupae; Communal; Nomia; Iriomote Island

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Judul Seri: Journal of the Saudi Society of Agricultural Sciences
No. Panggil: -
Penerbit: : King Saud University., 2013
Deskripsi Fisik: Journal of the Saudi Society of Agricultural Sciences (2013) 12, 91–99
Bahasa: English
ISBN/ISSN: -
Klasifikasi: NONE
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Edisi: -
Subjek: KIMIA
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Wati/Agus

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