egg parasitoids
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2023 ◽  
Vol 83 ◽  
Author(s):  
J. R. Souza ◽  
C. G. Silva ◽  
J. A. F. Barrigossi ◽  
J. B. Matos Junior ◽  
D. P. Conceição ◽  
...  

Abstract The life cycle of stink bug, Glyphepomis dubia and the development of two egg parasitoids (Telenomus podisi and Trissolcus basalis) were studied at the Federal University of Maranhão, at 26 ± 2oC, relative humidity (RH) of 60 ± 10% and 12h photophase. Individuals used in the study were collected from seven rice fields located around the municipality of Arari, Maranhão, Brazil, and maintained in greenhouse and laboratory for the life cycle studies. From egg to adult, G. dubia took 35.2 days to complete the life cycle. The oviposition period was 37 days, with egg masses of about 12 eggs each and viability of 93.1%. Longevity was 53 and 65 days for females and males, respectively. The egg parasitoids Te. podisi and Tr. basalis parasitized and developed in G. dubia eggs; however, the biological characteristics of Tr. basalis were affected. Emergence of the parasitoids was higher for Te. podisi (83.5%) compared to the records for Tr. basalis (50.4%). Therefore, G. dubia may potentially achieve a pest status and Te. podisi is a promising biological control agent for G. dubia management in Brazil due to its higher longevity and better reproductive parameters.


2022 ◽  
Author(s):  
Yong‐Ming Chen ◽  
Asim Iqbal ◽  
Rui‐E Lv ◽  
Xingeng Wang ◽  
Nicolas Desneux ◽  
...  

2021 ◽  
Vol 87 ◽  
pp. 291-308
Author(s):  
Fateme Ranjbar ◽  
M. Amin Jalali ◽  
Mahdi Ziaaddini ◽  
Zahra Gholamalizade ◽  
Elijah J. Talamas

Surveys for egg-parasitoid wasps were conducted in Rafsanjan, Iran, on two species of Pentatomidae (Hemiptera) found in pistachio orchards, Acrosternum arabicum Wagner and Brachynema signatum Jakovlev. Five species of Scelionidae (Platygastroidea) were recovered, including one that is here described as new: Psix saccharicola (Mani), Trissolcus colemani (Crawford), T. darreh Talamas sp. nov., T. perepelovi (Kozlov), and T. semistriatus (Nees). In addition to describing a new species, we report new host associations, provide COI barcodes for four of these species, and discuss host-related intraspecific variation in T. darreh and T. perepelovi.


2021 ◽  
Vol 87 ◽  
pp. 613-633
Author(s):  
Wen-hui Mo ◽  
Hua-yan Chen ◽  
Hong Pang ◽  
Jing-xian Liu

Species of the genus Oxyscelio Kieffer are egg parasitoids of Orthoptera. The genus is relatively diverse in China, with 34 described species. Some species of the genus are extremely morphologically similar and difficult to identify, especially in males. In this study, DNA barcoding based on sequences of the COI gene was used to discriminate Oxyscelio species from southern China. In total, 49 COI sequences belonging to 22 morphospecies were obtained. The COI sequences worked well for the identification of all the studied species, with intraspecific genetic distances ranging between 0 and 4.3%, while interspecific distances ranged between 7.1% and 19%. Based on both morphological and molecular analyses, five species are described as new: O. amalocarina Mo & Chen, sp. nov., O. apheles Mo & Chen, sp. nov., O. latheticus Mo & Chen, sp. nov., O. stenos Mo & Chen, sp. nov., and O. striae Mo & Chen, sp. nov.


2021 ◽  
Vol 68 (2) ◽  
pp. 309-339
Author(s):  
Kamalanathan Veenakumari ◽  
Sreedevi Kolla ◽  
Prashanth Mohanraj ◽  
Farmanur Rahman Khan

The species of the genus Phanuromyia Dodd, 1914, belonging to the subfamily Telenominae are egg parasitoids of planthoppers belonging to the families Issidae, Flatidae, Fulgoridae and Ricaniidae (Hemiptera: Fulguroidea). So far eleven species of Phanuromyia are known from India. Fifteen new species of Phanuromyia Dodd are described here: P. chalukyasp. nov., P. cherasp. nov., P. cholasp. nov., P. gangasp. nov., P. hoysalasp. nov., P. kadambasp. nov., P. kakatiyasp. nov., P. kanvasp. nov., P. nirvighnasp. nov., P. pallavasp. nov., P. pandyasp. nov., P. rashtrakutasp. nov., P. satavahanasp. nov., P. tuluvasp. nov. and P. vakatakasp. nov. A key to females of all the Indian species of Phanuromyia is provided.


Author(s):  
Matthew T. Kamiyama ◽  
Kenji Matsuura ◽  
Toshimitsu Hata ◽  
Tsuyoshi Yoshimura ◽  
Chin-Cheng Scotty Yang

2021 ◽  
Vol 14 (5) ◽  
pp. 456-464
Author(s):  
P Mirchev ◽  
G Georgiev ◽  
M Georgieva ◽  
I Markoff ◽  
G Zaemdzhikova ◽  
...  

Insects ◽  
2021 ◽  
Vol 12 (11) ◽  
pp. 984
Author(s):  
Stefanos S. Andreadis ◽  
Nikoloz E. Gogolashvili ◽  
Georgios T. Fifis ◽  
Emmanouel I. Navrozidis ◽  
Thomas Thomidis

Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) is an endemic species of East Asia; it was introduced into Europe in 2007. It has a wide range of hosts as it feeds on over 170 host plant species and significantly impacts crop production. In Greece, H. halys causes significant losses in the production of kiwi, peaches, and green beans; thus, control of this species (including biological control) is essential. Here, we focus on the potential impact of native natural enemies of H. halys in Greece. From June to October 2020, we sampled naturally field-laid H. halys egg masses to recover native parasitoids. A total of 20 egg masses of H. halys were collected from infested fields from different locations in northern Greece. Out of 529 eggs, 45 parasitoids managed to hatch successfully. The overall parasitism rate was 8.5%. We found two species of Hymenopteran egg parasitoids attacking H. halys eggs—Anastatus bifasciatus (Geoffrey) (Hymenoptera: Eupelmidae) and Ooencyrtus telenomicida (Vassiliev) (Hymenoptera: Encyrtidae), with the former comprising 58% of all parasitoids that were recovered. These results contribute to the knowledge about the natural enemy community that attacks H. halys in Greece, and the use of these native egg parasitoids in biological control programs may be a viable H. halys management strategy.


2021 ◽  
Vol 9 ◽  
Author(s):  
Jessica Awad ◽  
Cristina Vasiliţa ◽  
Sophie Wenz ◽  
Hamdow Alkarrat ◽  
Olaf Zimmermann ◽  
...  

Scelionid wasps are arthropod egg parasitoids, many of which are relevant to global biosecurity. However, the scelionid fauna of Germany has not received much attention from professional taxonomists. Eleven species and four genera are recorded for the first time from Germany, including species of interest to agriculture and biological control. First genus records include Baryconus Förster, Macroteleia Westwood, Paratelenomus Dodd and Probaryconus Kieffer. First species records include B. europaeus (Kieffer), Idris nigroclavatus (Kieffer), Idris semiflavus (Kieffer), M. bicolora Kieffer, M. pannonica Szabo, Paratelenomus saccharalis (Dodd), Trimorus varicornis (Walker), Trissolcus basalis (Wollaston), Trissolcus belenus (Walker), Trissolcus colemani (Crawford) and Trissolcus flavipes (Thompson). COI barcodes are identified for the first time from B. europaeus and M. bicolora. Each species is illustrated and updated world distributions are provided. Implications for agriculture are discussed.


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