Publications by authors named "Jose Isaac Figueroa"
A new species of the Sword-tailed Cricket genus Phyllopalpus Uhler (Trigonidiidae: Phylloscyrtini), from Tzitzio, in the Trans-Mexican Volcanic Belt, Michoacán, Mexico, is described and illustrated. Morphological and molecular data are integrated to describe Phyllopalpus nicolaita sp. nov.
View Article and Find Full Text PDFEffects of sex ratio on different biological parameters of (Distant) (Hemiptera: Miridae) adults and their offspring: prey preference for (Sulcer) (Hemiptera: Triozidae).
Bull Entomol Res
December 2021
In the present study, the influence of three sex ratios (1:1, 1:2, and 1:3; female:male) of the mirid (Distant) (Hemiptera) on different biological parameters and on its offspring was evaluated. The prey preference of different developmental stages of this predator for different nymphal instars (N) of (Sulcer) (Hemiptera: Triozidae) was also evaluated. The fertility was significantly higher (24 nymphs/female) in the 1:3 sex ratio than in the 1:1 and 1:2 sex ratios (14 and 16 nymphs/female, respectively).
View Article and Find Full Text PDFTwo new species, Coelinius carmenae Figueroa, Sánchez, and Kula, n. sp. and Coelinius danielae Figueroa, Sánchez, and Kula, n.
View Article and Find Full Text PDFTamarixia radiata (Waterson) (Hymenoptera: Eulophidae) is an idiobiont ectoparasitoid of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae). This study evaluated natural parasitism of the different nymphal instars of D. citri by T.
View Article and Find Full Text PDFBehavior of Tamarixia triozae Females (Hymenoptera: Eulophidae) Attacking Bactericera cockerelli (Hemiptera: Triozidae) and Effects of Three Pesticides on This Parasitoid.
Environ Entomol
February 2015
Article Synopsis
- The study investigates the behavior of Tamarixia triozae females as they parasitize Bactericera cockerelli nymphs infesting tomato plants, documenting their search and handling times for oviposition.
- On average, T. triozae females took around 31 minutes to find a host and were able to parasitize about 4.66 nymphs in a 6-hour period, with specific times recorded for different activities.
- The research also highlights the negative impact of certain pesticides on T. triozae survival and reproduction, indicating a need for cautious evaluation of insecticide use in pest management strategies that include this parasitoid.
A greenhouse study was conducted to investigate the persistence of methoxyfenozide in pepper (Capsicum annuum L.) foliage. An aqueous suspension of methoxyfenozide was sprayed on pepper plants at concentrations of 72 and 144 mg of active ingredient (a.
View Article and Find Full Text PDFA key to species and descriptions are presented for 14 species of the New World genus Crassomicrodus Ashmead. Seven new species, Crassomicrodus azteca, Crassomicrodus clypealis, Crassomicrodus costaricensis, Crassomicrodus jalisciensis, Crassomicrodus mariae, Crassomicrodus oaxaquensis,and Crassomicrodus olgae are described. Crassomicrodus fenestratus (Viereck) is synonymized with Crassomicrodus nigriceps (Cresson).
View Article and Find Full Text PDFThe long-term effects of methoxyfenozide on the longevity and reproductive processes of beet armyworm, Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae), adults were assessed after exposure by ingestion. Methoxyfenozide significantly reduced adult male longevity compared with females by 1.1 and 1.
View Article and Find Full Text PDFArticle Synopsis
- Adult longevity in Spodoptera littoralis was reduced by both azadirachtin and methoxyfenozide, but no differences between sexes were noted, and both insecticides significantly impacted fecundity and fertility, particularly azadirachtin in a dose-dependent manner.
- The study found that the method of exposure affected results, with ingestion leading to fewer eggs laid compared to topical application.
- Azadirachtin also demonstrated a deterrent effect on egg-laying on pepper plants, but after extended observation, the number of eggs was not significantly different from the control group, indicating complex interactions with pest populations in treated crops.*