The two most recent manuscripts that I could find are listed below. There have only been 57 manuscripts in total dealing with this pest.
Changes in total proteins, free amino acids and carbohydrates in the haemolymph of Orthaga exvinacea Hampson (Pyralidae: Lepidoptera) during development
By: Ranjini, K. R.; Mohamed, U. V. K.
Journal of Entomological Research (New Delhi) Volume: 28 Issue: 4 Pages: 301-309 Published: DEC 04
Developmental changes in the protein content of haemolymph and fat body in the sixth instar larvae of a moth, Orthaga exvinacea Hampson.
By: Kuzhivelil, Balu T.; Mohamed, U. V. K.
Journal of Experimental Zoology India Volume: 6 Issue: 2 Pages: 301-306 Published: July 2003
If one expands the search a little I find:
EFFECT OF NEEM PESTICIDE (ACHOOK) ON MIDGUT ENZYMATIC ACTIVITIES AND SELECTED BIOCHEMICAL COMPOUNDS IN THE HEMOLYMPH OF LESSER MULBERRY PYRALID, GLYPHODES PYLOALIS WALKER (LEPIDOPTERA: PYRALIDAE) By: Khosravi, Roya; Sendi, Jalal Jalali
Journal of Plant Protection Research Volume: 53 Issue: 3 Pages: 238-247 Published: JUL 2013
Physiological and biochemical effect of neem and other Meliaceae plants secondary metabolites against Lepidopteran insects By: Senthil-Nathan, Sengottayan
FRONTIERS IN PHYSIOLOGY Volume: 4 Article Number: 359 Published: 2013
Effects of a neem sample on protein patterns of Bactrocera cucurbitae
By: Yasmin, Nikhat; Khan, M. Farhanullah; Channa, Muhammad Samiullah; et al.
I searched for Neem because that is a common botanical. One could also search for nicotine, and pyrethrum. There will be a few others, but I think that will be the bulk of the literature on this topic.
You can expand out to any insecticide and you get manuscripts like this one.
Comparisons of levels of crude fat, soluble sugars, and free amino acids in offsprings of the immigrant and non-immigrant populations of the brown planthopper, Nilaparvata lugens (Stal) (Homoptera: Delphacidae), under insecticide stress By: Yin Jian-Li; Hu Jun-Huan; Xu Hai-Wei; et al.