In the tropics, honey bee pests are more serious and economically important than honeybee diseases and among which ants are the most damaging pests. Many species of ants are known to attack honey bees (Hepburn & Radloff, 1998. Among which Driver ants species, Dorylus quadratus, have been described as the greatest natural enemy of honeybees in tropics (Robinson, 1982; Adjare, 1990).

The results presented in this book are a product of research conducted by the author independently and in collaboration with other researchers in the field. In this light, this work encompasses the most recent collection of various concepts of regularity and nonsmooth analysis into one monograph. The first part of the book attempts to present an accessible and thorough introduction to nonsmooth analysis theory. Main concepts and some useful results are stated and illustrated through examples and exercises.

Honey contains various biological active substances including proteins, free amino acids, enzymes, vitamins, organic acids,
flavonoids, phenolic acids and other phytochemicals (Lee et al., 2012, Je-Ruei et al., 2013). Honey has antioxidant, antiviral, antimicrobial,
antiparasitic, and antimutagenic properties (Al-Waili et al., 2011). This might explain its wide range of the therapeutic and biological activities.
Honey has been mentioned in Holy Books as remedies for cure. In this regard, honey has been mentioned in the Talmud, the old and new

Biosurfactants are a unique class of structurally diverse compounds, which are amphiphilic in nature and have pronounced surface active properties with a wide variety of applications related to environmental protection, enhanced oil recovery, cosmetic, food processing and pharmaceutical industries (1-6).