instar

(redirected from instars)
Also found in: Dictionary, Thesaurus, Medical, Legal.

Related to instars: antennae

instar

[′in‚stär]

(invertebrate zoology)

A stage between molts in the life of arthropods, especially insects.

Mentioned in ?

References in periodicals archive ?

egg, 1st instar, 2nd instar, fully grown 3rd instar, pupa and adults for linear measurements; in addition to the above parameters, color, shape, size, hatching and developmental time of eggs, larvae, pupae and adults were also noted by following the techniques of (Ekesi et al.

BIOLOGY AND MORPHOMETRIC OF DIFFERENT LIFE STAGES OF THE ORIENTAL FRUIT FLY (BACTROCERA DORSALIS HENDLE) (DIPTERA: TEPHRITIDAE) ON THREE VARIETIES OF MANGO OF SINDH, PAKISTAN

rufivena among 2nd instar larvae that survived azadirachtin treatment.

Effectiveness of the botanical insecticide azadirachtin against Tirathaba rufivena (Lepidoptera: Pyralidae)

The total percent of larval mortality of 2nd and 4th instars larvae until pupation was recorded and corrected using Abbott's formula (Abbott 1925) and different biological parameters were evaluated at the tested concentration.

Sodium titanate--Bacillus as a new nanopesticide for cotton leaf-worm

The least survivorship was recorded in 5th instars when fed with 2, 5,10 and 15% neem solution, the survivorship on these solution was recorded as (36.

BIOLOGY OF HELICOVERPA ARMIGERA (HUBNER) ON SUNFLOWER TREATED WITH DIFFERENT CONCENTRATION OF NEEM EXTRACTION IN LABORATORY

Linnaeus) plants, greater weights on the third instars [1.

Preferencia, desarrollo y desempeno reproductivo de Chrysoperla externa (Neuroptera: Chrysopidae) utilizando presas provenientes de trigo

5 cm) with the bottoms covered with filter paper moistened with distilled water, until they reached the second instar.

Effect of temperature on immatures of Stiretrus decastigmus (Hemiptera: Pentatomidae)/Efeito da temperatura sobre imaturos de Stiretrus decastigmus (Hemiptera: Pentatomidae)

Overlapping in measurement extremes between instars was registered for all structures analysed from both populations (Figure 1).

Growth and developmental time in the parthenogenetic scorpion Tityus stigmurus (Thorell, 1876) (Scorpiones: Buthidae)/Crescimento e tempo de desenvolvimento do escorpiao partenogenetico Tityus stigmurus (Thorell, 1876) (Scorpiones: Buthidae)

Then, four batches of pre-starved (24 h) larvae for both instars were put separately in the plastic vials (base radius 2.

Control of Earias vittella (Lepidoptera: Noctuidae) by Beauveria bassiana along with Bacillus thuringiensis

Adult grasshoppers often appear strikingly different from their fifth instars, both in form and coloration.

Instars of narrow-winged saltbush grasshopper, Aeoloplides tenuipennis (Scudder, 1897) (Acrididae: Melanoplinae), with notes on habitat and identification

Temerak [29] found that Spinosad follow Chlorpyrifos-ethyl, and superior to Neem and Dipel in its speed of kill against 2nd and 4th instars larvae of S.

Bio-residual activity of selected biopesticides in comparison with the conventional insecticide Dursban against cotton leafworm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae)

8% females; males required only five instars to complete nymphal development, whereas females required six.

Numero y duracion de los estadios ninfales de la tucura neotropical Cornops aquaticum (Acrididae: Leptysminae) en Argentina

When analyzing the results of mortality rates in the tests with fourth and fifth instars nymphs, we observed that even at higher concentrations, 100 and 200mg/mL the death percentage of fifth instars insects resulted lower (26.

Biocide activity of Annona coriacea seeds extract on Rhodnius neglectus (Hemiptera: Reduviidae)