Skip to main content

Cotton stainer bugs (Dysdercus)

Cotton stainer bug (Dysdercus) is a genus in Pyrrhocoridae, the imago and nymph phases have black and red colors, three pairs of limbs of the same length and differ only in the size of the limbs of each segment, the limbs on the femur are slightly larger than the tarsus and tibia.

Dysdercus has a mouth consisting of a rostum and a stylet. The rostume is located on the anterior part of the head, is elongated and segmented as a wrapper for the stylet. This sucker is formed by the food tract and salivary tract. The nymphs undergo several molting processes to become imago.

Dlium Cotton stainer bugs (Dysdercus)


The species in Dysdercus consume plant fluids wherein the nymphs perform in groups, whereas the imago does more individually. They trample the stems of plants regularly and form long rows.



Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Subclass: Pterygota
Order: Hemiptera
Suborder: Heteroptera
Infraorder: Pentatomomorpha
Superfamily: Pyrrhocoroidea
Family: Pyrrhocoridae
Genus: Dysdercus

Comments

Popular

Pygmy groundcherry (Physalis minima)

Ceplukan or pygmy groundcherry ( Physalis minima ) is a plant species in the Solanaceae, a pantropical perennial herb, 50 cm high, green in color, grows in wet or semi-wet areas, the fruit is edible and has a pleasant taste, is often used as an anti-cancer, analgesic and anti-inflammatory. P. minima has an erect trunk with many branches, is square with sharp angles, 20-50 cm high, bright green and juicy. The branching produces two or three new stems and becomes the point for producing leaves and fruit. The leaves have a smooth surface, hairless, plain or serrated edges, 2.5-12 cm long, light green color and pointed tips. The stalk is long and continues to be a bone in the center of the leaf with some lateral veins. Bell-shaped flowers with five corners, cream to yellow in color with brown plots on the inside and white pistils. The fruit is yellowish green and packed in a thin covering that turns brown and falls to the ground when ripe. Pygmy groundcherry grows wild in forest edges,

Bignay (Antidesma bunius)

Bignay or buni ( Antidesma bunius ) is a plant species in Phyllanthaceae, deciduous trees, up to 30 m tall, straight stems and 20-25 cm in diameter, many branches and shade, small fruits arranged in a long stalk, eaten raw or deep cooking or fermented into grapes. A. bunius has leaves with 1 cm long stalks, alternating, oblong-lanceolate, 19-25 cm long, 4-10 cm wide, rounded base, sharp or blunt tip, flat margins, dark green and shiny upper surface, bright lower surface, a main bone runs in the middle and appears on the underside of the leaf. Male and female flowers are located in different trees and arranged in the form of panicles 6-20 cm long. Female flower size is larger than male flowers. Terminal or axillary and narrowly spicate or racemose. Male flowers sit, cupular petals consisting of 3-4 short rounded petals, 3-4 stamens and reddish in color. Female flowers have a stalk, bell-shaped petals, 3-4 lobes measuring 1x2 mm, ovary ovoid, 3-4 pistil heads with small discs. Wet

Redflower ragleaf (Crassocephalum crepidioides)

Sintrong or ebolo or thickhead or redflower ragleaf ( Crassocephalum crepidioides ) are plant species in Asteraceae, terma height 25-100 cm, white fibrous roots, generally grow wild on the roadside, yard gardens or abandoned lands at altitude 200- 2500 m. C. crepidioides has erect or horizontal stems along the soil surface, vascular, soft, non-woody, shallow grooves, green, rough surface and short white hair, aromatic fragrance when squeezed. Petiole is spread on stems, tubular and eared. Single leaf, spread out, green, 8-20 cm long, 3-6 cm wide, longitudinal or round inverted eggshell with a narrow base along the stalk. Pointed tip, flat-edged or curved to pinnate, jagged rough and pointed. The top leaves are smaller and often sit. Compound flowers grow throughout the year in humps that are arranged in terminal flat panicles and androgynous. Green cuffs with orange-brown to brick-red tips, cylindrical for 13-16 mm long and 5-6 mm wide. The crown is yellow with a brownish red