Imperforate hymen is a rare obstructive congenital anomaly of the female genital tract which arises as a result of complete failure of canalisation of the inferior end of the vaginal plate at the junction between the urogenital sinus and the vagina. Its prevalence is 0.05%-0.1%. We are presenting a case of 14 years old girl who came with complaints of lower abdominal pain since 10 days not associated with nausea, vomiting and diarrhoea. She had not attained menarche but her secondary sexual characters were developed with breast, pubic and axillary hair in tanner stage 4. MRI revealed hematocolpos and hematometra with imperforate hymen. Hymenotomy was performed and 300-400 ml of thick tarry colour blood was drained. Her postoperative period was uneventful, and patient was discharged in satisfactory condition. On follow up after 1 month, patient resumed normal menses.

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The present investigation was carried out to monitor the population dynamics and their correlation with weather parameters. The experiment result revealed that the population of bug appearance coincided with the flowering stage of the rice whereas the peak population (1.81 bugs/hill) was recorded only one week after its 1 st appearance and then after the decrease in its population gradually took place which came down to zero on the last date of observation 11 November, 2020 which clearly depicted that the gundhi bug population was absent from 22 July 2020 to 23 September 2020. The correlation matrix indicated that the Relative humidity was only having positive impact on the gundhi bug population whereas the rest of the weather parameters shown negative impacts on the gundhi bug population. Warm weather with humid condition during the flowering and dough stage of rice increases the gundhi bug population. At these stages proper management strategies must be taken to reduce the yield loss.

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