Symbols	Definitions	Types
t	Time or instar in continuous form	Independent variable
H	Herbivory by a larva at time t	Dependent variable
G	Ingested GLSs by a larva at time t	Dependent variable
F	Free GLSs in larval gut at time t	Dependent variable
I	ITCs in a larval gut at time t	Dependent variable
$E_N$	Net energy of a larva at time t	Dependent variable
$\theta$	Larval herbivory growth rate constant per unit time	Parameter
$\alpha$	GLS ingestion growth rate constant per unit time	Parameter
$\eta$	Degradation rate constant of GLS ingestion in larval gut	Parameter
$\beta$	Hydrolysis rate constant at which ITCs are formed	Parameter
$\gamma$	Excretion rate constant of ITCs	Parameter
$\kappa$	Energy growth rate constant per unit time	Parameter
$\mu$	Metabolic cost (constant) of ITCs	Parameter
$\delta$	Metabolic cost (constant) of foraging	Parameter
T	Maximum duration of herbivory for a larva	Solution of $E_N\left(t\right)=0$
Important acronyms	Full name	Type
GLSs	Glucosinolates	Precursor of plant toxins
ITCs	Isothiocyanates	Plant toxins
OFT	Optimal Foraging Theory	Theory
ODEs	Ordinary differential equations	Equations