Chalcididae (Hymenoptera) from rice stores in Thailand, with description of two new species

Konishi, Kazuhiko; Narendran, T. C.; Imamura, Taro; Visarathanonth, Porntip

doi:10.1111/j.1479-8298.2003.00046.x

Cited by 6 publications

(5 citation statements)

References 11 publications

(7 reference statements)

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“…However, it was uncertain why A. calandrae, parasitizing the same host species as T. elegans (Fig. 3), and P. minusa, an important natural enemy of S. cerealella 7 , were rarely recorded. Some reports 11,19,21 state that rice husks and broken residues in the premises become a suitable habitat for reproduction of insect pests.…”

Section: Discussionmentioning

confidence: 99%

Cleaning Reduces Grain Losses of Stored Rice

Nakamura

Visarathanonth²,

Kengkarnpanich³

et al. 2008

JARQ

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Rice in storage in Thailand is often infested with stored insect pests. Local rice milling factories in this region are unwalled employing a traditional open-air ventilation system and therefore insect pests easily attack the stored rice. The factories keep the rice for a few months to a year and do not usually clean the premises after the milling operation. The unclean environment becomes a suitable habitat for reproduction of insect pests, and consequently insect infestations on rice increase during storage. We set up two rooms (cleaned and uncleaned) to examine the effect of cleaning on stored rice grains. Bags of paddy, brown and milled rice were placed in the two kinds of rooms for one year to observe population dynamics of the insects and infestations caused by the pests on the rice. We found fewer insects in the milled rice than in paddy and brown rice but suggest that cleaning of the storage premises may decrease grain losses on all the types of rice.

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Section: Discussionmentioning

confidence: 99%

Cleaning Reduces Grain Losses of Stored Rice

Nakamura

Visarathanonth²,

Kengkarnpanich³

et al. 2008

JARQ

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“…These species have a highly developed ability to detect prey and can attack numerous tested species. Both L. distinguendus and A. calandrae are quite effective in managing these storage pests (Konishi et al, 2004).The female of wasps uses certain clues to locate the larvae that are developed mostly in the inner portion of the grains and detect pest movement. It also detects sound of host feeding, before parasitizing.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of parasitic potential of Anisopteromalus calandrae (Howard) against Callosobruchus maculatus (F.), Rhyzopertha dominica (F.) and Sitophilus oryzae (L.) in grains treated with diatomaceous

Kamboh¹

2021

PAKJAS

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The herein reported study was conducted to evaluate the parasitic potential of Anisopteromalus calandrae (Howard) against larvae of Callosobruchus maculatus (F.), Rhyzopertha dominica (F.) and Sitophilus oryzae (L.) while, adult pests on the food medium treated with two formulations of diatomaceous earth (DE); Marine (Celite) and fresh water (Perma Guard) as grain protectants. The DE was applied at three dose rates i.e., 200, 400 and 600 ppm, at 25°C temperature and 65% relative humidity. Mortality and emergence of adults of tested insects and parasitoid were observed after 14 and 28 days of exposure respectivly. The highest mortality of C. maculatus was 43.37% against higher dose of Perma Guard (600 ppm) while the maximum mortality of S. oryzae was recorded 39.56% on application of Celite (600 ppm). The maximum mortality of A. calandrae parasitoid was observed 66.86% in S. oryzae infested grains treated with higher dose of Perma Guard (600 ppm), while 63.81% mortality of parasitoid was observed in S. oryzae infested grains at higher dose of Celite DE (600 ppm). The Perma Guard effectively controls population of tested insect’s mortality than the Celite. The highest emergence of C maculatus observed was 62.44% at lower dose of 200 ppm of Perma Guard DE while the highest emergence recorded on application of Celite was 60.66% from C. maculatus. The highest emergence of A. calandrae was 65.65% from S. oryzae at lower dose of 200 ppm of Perma Guard DE while the highest emergence of parasitoid recorded on application of Celite was found 60.66% at lower dose of 200 ppm from C maculatus. The emergence of tested insects and parasitoid increased with the decrease in dose rate of DE in most of the tested combinations. Higher dose (600 ppm) of both DE (Celite and Perma Guard) used in experiment showed mortality of tested insects and parasitoid activity of Anisopteromalus calandrae and furthermore release of A. calandrae on host insects would be adversely affected by use of diatomaceous earth product on stored grains. The experiments were carried out in laboratory of Grain Research, Training and Storage Management cell, Department of Entomology, University of Agriculture Faisalabad.

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“…In Thailand, H. hebetor has been known to be a parasitoid species of stored grain insect pests including C. cephalonica and Sitotroga cerealella (Olivier) (Konishi et al 2004). In 2010, it was first found in Thailand that H. hebetor attacked the coconut black-headed caterpillar, Opisina arenosella Walker (Lepidoptera: Oecophoridae), which is an exotic pest species causing heavy damage in coconut plantations in central and southern Thailand (IPPC 2017).…”

Section: Introductionmentioning

confidence: 99%

Existence of two strains of Habrobracon hebetor (Hymenoptera: Braconidae): a complex in Thailand and Japan

et al. 2018

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Habrobracon hebetor Say (Hymenoptera: Braconidae) is a cosmopolitan gregarious ectoparasitoid that attacks larvae of several species of Lepidoptera. Although there are two genetically different strains within H. hebetor, distribution of the strains has been poorly understood. In 2010, in Thailand, where H. hebetor has been known as a parasitoid of stored grain pests, it was found that H. hebetor attacked Opisina arenosella Walker (Lepidoptera: Oecophoridae), which is an invasive pest of coconut palm. For correct identification of this H. hebetor, we conducted DNA analysis and cross tests using populations collected from O. arenosella and stored grain pests in Thailand and populations in Japan known as H. hebetor. We obtained 413 bp of mitochondrial cytochrome oxidase I (COI) sequences and 414 bp of 16S rRNA gene sequences, and both indicated that there are two distinct clades within H. hebetor: one contains insects from Thailand, Spain, India, and Barbados; the other contains insects from Japan and the USA. There were no genetic differences or sexual isolation between Thai populations from different hosts. Our results also showed that populations in Thailand were sexually isolated from a H. hebetor population in Japan.

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Chalcididae (Hymenoptera) from rice stores in Thailand, with description of two new species

Cited by 6 publications

References 11 publications

Cleaning Reduces Grain Losses of Stored Rice

Cleaning Reduces Grain Losses of Stored Rice

Evaluation of parasitic potential of Anisopteromalus calandrae (Howard) against Callosobruchus maculatus (F.), Rhyzopertha dominica (F.) and Sitophilus oryzae (L.) in grains treated with diatomaceous

Existence of two strains of Habrobracon hebetor (Hymenoptera: Braconidae): a complex in Thailand and Japan

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