scholarly journals Laboratory rearing of Sycanus annulicornis (Hemiptera: Reduviidae) on two species of prey: Differences in its biology and efficiency as a predator of the nettle caterpillar pest Setothosea asigna (Lepidoptera: Limacodidae)

2018 ◽  
Vol 115 ◽  
pp. 208-216 ◽  
Author(s):  
Abdul SAHID ◽  
Wahyu D. NATAWIGENA ◽  
HERSANTI HERSANTI ◽  
SUDARJAT SUDARJAT
Keyword(s):  
Laboratory Rearing ◽  
Setothosea Asigna ◽  
Nettle Caterpillar

Identification of Sex Pheromone Components of Nettle Caterpillar, Setothosea asigna

1997 ◽  
Vol 23 (9) ◽  
pp. 2187-2196 ◽  
Author(s):  
Yorianta Sasaerila ◽  
Gerhard Gries ◽  
Grigori Khaskin ◽  
Regine Gries
Keyword(s):  
Sex Pheromone ◽  
Sex Pheromone Components ◽  
Pheromone Components ◽  
Setothosea Asigna ◽  
Nettle Caterpillar

scholarly journals Identification of Novel Toxin Genes from the Stinging Nettle Caterpillar Parasa lepida (Cramer, 1799): Insights into the Evolution of Lepidoptera Toxins

Insects ◽  
2021 ◽  
Vol 12 (5) ◽  
pp. 396
Author(s):  
Natrada Mitpuangchon ◽  
Kwan Nualcharoen ◽  
Singtoe Boonrotpong ◽  
Patamarerk Engsontia
Keyword(s):  
Protease Inhibitors ◽  
Proteolytic Enzymes ◽  
Gene Annotation ◽  
Sequence Similarity ◽  
New Drugs ◽  
Toxin Gene ◽  
Cone Snail ◽  
Stinging Nettle ◽  
Toxin Genes ◽  
Nettle Caterpillar

Many animal species can produce venom for defense, predation, and competition. The venom usually contains diverse peptide and protein toxins, including neurotoxins, proteolytic enzymes, protease inhibitors, and allergens. Some drugs for cancer, neurological disorders, and analgesics were developed based on animal toxin structures and functions. Several caterpillar species possess venoms that cause varying effects on humans both locally and systemically. However, toxins from only a few species have been investigated, limiting the full understanding of the Lepidoptera toxin diversity and evolution. We used the RNA-seq technique to identify toxin genes from the stinging nettle caterpillar, Parasa lepida (Cramer, 1799). We constructed a transcriptome from caterpillar urticating hairs and reported 34,968 unique transcripts. Using our toxin gene annotation pipeline, we identified 168 candidate toxin genes, including protease inhibitors, proteolytic enzymes, and allergens. The 21 P. lepida novel Knottin-like peptides, which do not show sequence similarity to any known peptide, have predicted 3D structures similar to tarantula, scorpion, and cone snail neurotoxins. We highlighted the importance of convergent evolution in the Lepidoptera toxin evolution and the possible mechanisms. This study opens a new path to understanding the hidden diversity of Lepidoptera toxins, which could be a fruitful source for developing new drugs.

Laboratory rearing of Loligo opalescens, the market squid of California

Aquaculture ◽  
1983 ◽  
Vol 31 (1) ◽  
pp. 77-88 ◽  
Author(s):  
Won Tack Yang ◽  
Roger T. Hanlon ◽  
Mark E. Krejci ◽  
Raymond F. Hixon ◽  
William H. Hulet
Keyword(s):  
Laboratory Rearing ◽  
Loligo Opalescens

Laboratory Rearing of the Cabbage Maggot1,2

1971 ◽  
Vol 64 (3) ◽  
pp. 670-673 ◽  
Author(s):  
A. Vereecke ◽  
L. Hertveldt
Keyword(s):  
Laboratory Rearing

EVOLUTION IN THE FIELD CRICKET, ACHETA ASSIMILIS FAB.

1958 ◽  
Vol 36 (2) ◽  
pp. 139-151 ◽  
Author(s):  
R. S. Bigelow
Keyword(s):  
Sympatric Speciation ◽  
Developmental Differences ◽  
Field Cricket ◽  
Temporal Difference ◽  
Laboratory Rearing ◽  
Field Crickets ◽  
Developmental Rates ◽  
Breeding Seasons ◽  
Incomplete Reproductive Isolation ◽  
Two Populations

Progeny of northern spring field cricket adults lay non-diapause eggs, undergo nymphal diapause, and overwinter as nymphs. Progeny of northern fall adults lay diapause eggs, do not undergo nymphal diapause, and overwinter as eggs. The two populations cannot interbreed freely in the field owing to a temporal difference in breeding seasons; they did not interbreed in the laboratory. Rearing experiments show that the developmental differences are genetically based rather than environmentally conditioned, and it is, therefore, unlikely that hybrids would be viable even if they were produced in the field. Consequently these two populations behave as good species. Field crickets from Virginia developed much more rapidly than did spring crickets from Quebec. Quebec spring males and Virginia females produced hybrids with developmental rates intermediate between those of their parents. More female than male hybrids were produced, and the females developed more rapidly than did male hybrids. Offspring were produced by hybrid females and Quebec spring males, but not by hybrid females and Virginia males. Partial, but incomplete reproductive isolation exists between Quebec and Virginia field crickets. A possible mechanism of sympatric speciation in insects is discussed.

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