| ACARIDE |
 |
pesticide used to control mites |
| ALATE |
|
winged Aphid |
| ALKALINE ENVIRONMENT |
|
environment with a high pH-value (pH>7) |
| ANTENNAE |
|
pair of jointed appendages on the head of an insect, typically sensory in function, usually being concerned with smell and touch |
| APTERA |
|
wingless aphid |
| AUXIN |
|
plant growth hormone |
| AXILLARY BUD |
|
growing point at the junction of a leaf and a stem or branch |
| BIOLOGICAL CONTROL |
|
control achieved by the application of natural enemies |
| CARBAMATE INSECTICIDES |
|
chemical pesticides based on carbamate compounds |
| CAUDAL |
|
concerning the 'tail' end of the insect |
| CHLOROPHYLL |
|
green substance within a leaf that is used in photosynthesis |
| CONIDIOSPORES |
|
asexually produced fungal spores |
| COSMETIC DAMAGE |
|
damage to the appearance of a fruit, flower or plant |
| DEUTONYMPH |
|
second nymphal stage of mites, after egg and protonymph |
| DIAPAUSE |
|
hibernation (under the influence of short day length and low temperature) |
| ECTOPARASITE |
|
parasite that sucks the host empty from the outside |
| ENCAPSULATED |
|
surrounded with defensive cells of the ghost, which renders the parasite (usually the egg or the larva) harmless |
| ENDOPARASITE |
|
parasite that lives inside the host's body |
| ENTOMOPHAGOUS |
|
living on insects |
| ENZYME |
|
protein product of a living cell that can cause or speed up a chemical reaction |
| FACET |
|
surface of one of the units making up the compound eye |
| GENETIC |
|
hereditary |
| HERMAPHRODITE |
|
animal with both male and female reproductive organs |
| HONEYDEW |
|
sticky, sugar-containing secretion produced by aphids and whiteflies, among others |
| HOST |
|
organism on or inside which another organism lives (at its expense) |
| HOST DISCRIMINATION |
|
egglaying behavior of parasites in which they differentiate between not yet parasitized and already parasitized hosts |
| HOST FEEDING |
|
intake of food by sucking up body fluids from the host, which may or may not kill it |
| HOST PLANT |
|
plant on which an insect, mite, fungus etc. lives and feeds |
| HOST PLANT EXCHANGE |
|
transfer from one plant food source to another type |
| HYPERPARASITE |
|
parasite that parasitizes another parasite |
| INSECTICIDE |
|
pesticide used to control insects |
| INTEGRATED CONTROL |
|
combination of biological, chemical and cultural control methods |
| LARVA |
|
immature insect or mite which differs greatly from the adult. In insects, pupation is necessary before becoming adult |
| LOWER EPIDERMIS |
|
exterior layer of cells on the underside of a leaf |
| MEMBRANOUS |
|
filmy, often transparent |
| MIGRANT |
|
individual that moves for various reasons |
| MORTALITY |
|
death rate |
| NATURAL CONTROL |
|
control without human intervention |
| NECROTIC |
|
dying plant cells |
| NYMPH |
|
immature insect or mite which strongly resembles the adult. Pupation is not necessary before becoming adult |
| OCELLUS |
|
one of the simple eyes of insects, usually occurring in a group of three on top of the head |
| ORGANOFOSFOR INSECTICIDES |
|
chemical pesticides based on organofosfor compounds |
| OVIPOSITOR |
|
organ with which eggs are laid |
| PARASITE |
|
enemy of plants or animals that lives at the expense of its host |
| PARASITIZATION |
|
the laying of an egg by a parasite inside or near its host |
| PARTHENOGENETIC REPRODUCTION |
|
reproduction with the help of unimpregnated eggs (individuals are genetically identical to the parent) |
| PATHOGEN |
|
outgrowth of deformation of a plant, often caused by insects, mites, nematodes etc. |
| PHOTOSYNTHESIS |
|
food production by a plant with the help of light |
| PHYSIOLOGY |
|
study of the functioning of organisms and their parts |
| PHYTOPHAGOUS |
|
living on plants |
| POLYMORPHISM |
|
the occurrence of two or more different types (morphs) within one species |
| POLYPHAGOUS |
|
eats several different types of food |
| POPULATION |
|
a group of animals or plants of one species that are spatially separated from other groups |
| PREDATION |
|
the killing and eating of prey |
| PREDATOR |
|
predatory enemy |
| PRE-OVIPOSITION PERIOD |
|
period between reaching adulthood and laying first eggs |
| PREPUPA |
|
intermediate form in pupation of thrips between larva and upa |
| PROBOSCIS |
|
mouthpart of an aphid, whitefly, butterfly or moth used to suck up plants juices |
| PROTONYMPH |
|
first stage after the egg in mites |
| PUPA |
|
stage at which the metamorphosis of larva to adult insect takes place |
| RESISTANCE |
|
insensitivity to a certain disease or a certain chemicl pesticide |
| SAPROPHYTIC GROWTH |
|
growth due to the intake of organic material |
| SEX RATIO |
|
proportion of males to females |
| SIPHON |
|
tube-shaped secretory organ on the abdomen of aphids |
| SUPERPARASITIZATION |
|
the laying of eggs by two or more females of one species of parasite inside or on the same host (larva) |
| TAXONOMY |
|
classification of organisms into groups on the basis of similarities |
| UPPER EPIDERMIS |
|
exterior layer of cells on the upperside of a leaf |
| VECTOR |
|
carrier of diseases (for example viruses) |
| VERMICULITE |
|
accordian-shaped grains formed from minerals. It is a chemically neutral, sterile, unperishable and odorless product that is used as carrier and packing material |
| VIVIPAROUS |
|
giving birth to live young |
